Article(id=1239973080789995909, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239973077845603299, articleNumber=null, orderNo=null, doi=10.16155/j.0254-1793.2024-0350, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1716480000000, receivedDateStr=2024-05-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773562220045, onlineDateStr=2026-03-15, pubDate=1730304000000, pubDateStr=2024-10-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773562220045, onlineIssueDateStr=2026-03-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773562220045, creator=13701087609, updateTime=1773562220045, updator=13701087609, issue=Issue{id=1239973077845603299, tenantId=1146029695717560320, journalId=1205117023404326918, year='2024', volume='44', issue='10', pageStart='1647', pageEnd='1826', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773562219344, creator=13701087609, updateTime=1773563041495, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239976526251356920, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239973077845603299, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239976526251356921, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1239973077845603299, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1756, endPage=1771, ext={EN=ArticleExt(id=1239973083369492915, articleId=1239973080789995909, tenantId=1146029695717560320, journalId=1205117023404326918, language=EN, title=Simultaneous determination of 43 per-and polyfluoroalkyl substances in Chinese medicinal material Pheretima by UPLC-Q Orbitrap MS*, columnId=1206272757852074373, journalTitle=Chinese Journal of Pharmaceutical Analysis, columnName=Safety Monitoring, runingTitle=null, highlight=null, articleAbstract=
Objective:

To establish an UPLC-Q Orbitrap MS determination method for multiple residues of exogenous new pollutants,per-and polyfluoroalkyl substances (PFAS),in Pheretima medicinal materials.

Methods:

The samples were extracted with acetonitrile (containing 0.2% formic acid) after adding sodium chloride and 27 isotopes labeled internal standard solutions. Ultrasound treatment was performed for 20 min,followed by high-speed oscillation for 10 min. The extraction solution was subjected to freeze centrifugation,and the supernatant was concentrated to about 0.5 mL. Then,5 mL of 40% methanol (containing 0.05% formic acid) was added and mixed well. Further purified by mixed weak anion exchange solid-phase extraction (6 mL,150 mg), eluted sequentially with 3 mL of methanol and 3 mL of 0.5% ammonia water methanol,and the eluents were collected,respectively. After blowing the eluent nitrogen to near dryness,the residue was redissolved in methanol,and the supernatant was taken for instrumental analysis after freezing and centrifugation. The target and internal PFAS were separated on an ACE EXCEL 2 C18 chromatography column (150 mm×2.1 mm,2 μm),using 5 mmol·L-1 ammonium formate solution and acetonitrile were used as the mobile phase for gradient elution. The flow rat e was set to 0.3 mL·min-1,the column temperature was 35 ℃,and the injection volume was 2 μL. The PFAS were detected by UPLC-Q Orbitrap MS in negative electrospray ionization mode with full scanning monitoring with the scanning range of m/z 100-1 000. Quantification of 43 PFAS using internal standards was performed based on their peak areas in extract ion chromatogram.

Results:

The method had good specificity,with a good linear relationship between the 43 tested indicator components and correlation coefficients greater than 0.995. The recovery rate of all indicators for sample addition was 68.3%-121.4%,the repeatability was 3.5%-15.0%. The detection limits and quantification limits were 0.01-0.15 μg·kg-1 and 0.02-0.5 μg·kg-1. respectively. A total of 22 kinds of PFAS were detected in 20 batches of Pheretima samples.

Conclusion:

The UPLC-Q Orbitrap MS method is sensitive and accurate for simultaneous determination of 43 trace and multiple residual PFAS in Pheretima medicinal materials. It is suitable for daily monitoring of PFAS in Chinese medicinal materials with similar matrices,as well as assessment and control of quality risks.

, correspAuthors=Tai-jun HANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Jing SUN, Dan-rui TANG, Hui-min QIANG, Qian NI, Ling CAO, Tai-jun HANG), CN=ArticleExt(id=1239973084325794267, articleId=1239973080789995909, tenantId=1146029695717560320, journalId=1205117023404326918, language=CN, title=UPLC-Q Orbitrap MS法同时测定中药材地龙中43个全/多氟烷基类化合物*, columnId=1206272758036623764, journalTitle=药物分析杂志, columnName=安全监测, runingTitle=null, highlight=null, articleAbstract=
目的:

建立地龙药材中43个痕量多残留全/多氟烷基类化合物(PFAS)的UPLC-Q Orbitrap MS同时测定方法。

方法:

地龙药材,加氯化钠和多种同位素内标,经含0.2%甲酸乙腈超声20 min结合高速振荡10 min提取;冷冻离心,分取上清液,浓缩至约0.5 mL,加含0.05%甲酸的40%甲醇水溶液5 mL,混合均匀;经混合型弱阴离子交换固相萃取柱(6 mL,150 mg)净化;以甲醇和0.5%氨水甲醇各3 mL依次洗脱,收集洗脱液,氮气吹至近干,分别以0.5 mL甲醇复溶,冷冻离心后取上清液,采用超高效液相色谱-四极杆/静电场轨道阱质谱(UPLC-Q Orbitrap MS)法对地龙药材中43个PFAS进行同时测定。色谱-质谱条件:采用ACE EXCEL 2 C18 (150 mm×2.1 mm,2 μm)色谱柱分离,以5 mmol·L-1甲酸铵溶液-乙睛为流动相,梯度洗脱,流速0.3 mL·min-1,柱温35 ℃,进样体积2 μL;电喷雾负离子化四极杆/静电场轨道阱质谱法m/z 100~1 000全扫描检测,提取目标离子内标法定量。

结果:

43个PFAS同时测定,专属性强,线性关系良好(r>0.995),加样回收率在68.3%~121.4%,重复性RSD为3.5%~15.0%,检测限和定量限分别为0.01~0.15 μg·kg-1和0.02~0.5 μg·kg-1。20批地龙样品中,共检出22个PFAS痕量残留。

结论:

建立的地龙药材中43个PFAS痕量残留的UPLC-Q Orbitrap MS同时测定法灵敏准确,适用于地龙和基质相似中药材中PFAS的日常监测,及其质量风险的评估与控制。

, correspAuthors=杭太俊, authorNote=null, correspAuthorsNote=
** Tel:(025)83271090;E-mail:
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Tel:(025)86251536;E-mail:

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Determination of 10 volatile per-and poly-fluorinated compounds in textiles using gas chromatography-mass spectrometry[J]. China Dye Finish202349(4):58, articleTitle=Determination of 10 volatile per-and poly-fluorinated compounds in textiles using gas chromatography-mass spectrometry, refAbstract=null), Reference(id=1239977446968193329, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, doi=null, pmid=null, pmcid=null, year=2020, volume=40, issue=8, pageStart=1425, pageEnd=null, url=null, language=null, rfNumber=[17], rfOrder=24, authorNames=孙晶, 杭太俊, 谭力, journalName=药物分析杂志, refType=null, unstructuredReference=孙晶,杭太俊,谭力,等. GC-NCI-MS法同时测定地龙中30个溴代阻燃剂的残留量[J].药物分析杂志202040(8):1425, articleTitle=GC-NCI-MS法同时测定地龙中30个溴代阻燃剂的残留量, refAbstract=null), Reference(id=1239977447043690803, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, doi=null, pmid=null, pmcid=null, year=2020, volume=40, issue=8, pageStart=1425, pageEnd=null, url=null, language=null, rfNumber=[17], rfOrder=25, authorNames=SUN J, HANG TJ, TAN L, journalName=Chin J Pharm Anal, refType=null, unstructuredReference=SUN JHANG TJTAN L,et al. Simultaneous determination of 30 brominated flame retardants residues in Dilong by GC-NCI-MS[J]. Chin J Pharm Anal202040(8):1425, articleTitle=Simultaneous determination of 30 brominated flame retardants residues in Dilong by GC-NCI-MS, refAbstract=null)], funds=[Fund(id=1239977443172348137, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, awardId=202205, language=CN, fundingSource=*江苏省药品监督管理局科研计划项目(202205), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1239977431528960935, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, xref=1., ext=[AuthorCompanyExt(id=1239977431537349545, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431528960935, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.Jiangsu Provincial Institute of Food and Drug Control, Nanjing 210019, China), AuthorCompanyExt(id=1239977431541543851, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431528960935, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.江苏省食品药品监督检验研究院,南京 210019)]), AuthorCompany(id=1239977431629624242, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, xref=2., ext=[AuthorCompanyExt(id=1239977431633818545, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431629624242, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.School of Pharmacy, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China), AuthorCompanyExt(id=1239977431642207154, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431629624242, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.南京中医药大学药学院,南京 210023)]), AuthorCompany(id=1239977431726093242, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, xref=3., ext=[AuthorCompanyExt(id=1239977431730287548, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431726093242, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3.Jiangsu Provincial Drug Administration Audit and Inspection Center, Nanjing 210019, China), AuthorCompanyExt(id=1239977431738676157, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431726093242, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3.江苏省药品监督管理局审核查验中心,南京 210019)]), AuthorCompany(id=1239977431839339461, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, xref=4., ext=[AuthorCompanyExt(id=1239977431847728071, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431839339461, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China), AuthorCompanyExt(id=1239977431856116681, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, companyId=1239977431839339461, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.中国药科大学药学院,南京 211198)])], figs=[ArticleFig(id=1239977440165032101, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Fig.1, caption=Chromatograms of PFAS reference solution (M1 concentration), figureFileSmall=IAiORmrgWJnQPlsZsbcs4A==, figureFileBig=MsH9pBiBhfSLdbH4ev6F4A==, tableContent=null), ArticleFig(id=1239977440307638441, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=图1, caption=PFAS对照溶液的色谱图(M1浓度)

A.目标物质(target substances) B.内标物(internal standard substances)

, figureFileSmall=IAiORmrgWJnQPlsZsbcs4A==, figureFileBig=MsH9pBiBhfSLdbH4ev6F4A==, tableContent=null), ArticleFig(id=1239977440441856174, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.1, caption=

Mass spectrometry parameters for 43 target PFAS and 27 internal standards

, figureFileSmall=null, figureFileBig=null, tableContent=
编号(No.)化合物简称
(compound abbreviation)
保留时间
(retention time)/min
理论值
(theoretical mass)m/z
实测值
(observed mass)m/z
相对误差
(relative error)×10-6
主要碎片离子
(main fragment ion)m/z
1PFBA3.80212.979 20212.979 13-0.328 7168.989 3
2PFPeA4.13262.976 01262.976 010.000 061.988 4
3PFHxA4.55312.972 81312.972 78-0.095 9118.993 0,61.988 4
4PFHpA5.05362.969 62362.969 670.137 8168.989 7,118.992 9
5PFOA5.66412.966 43412.966 430.000 0368.976 5,168.989 7
6PFNA6.35462.963 23462.963 230.000 0168.989 6,118.992 5
7PFDA7.06512.960 04512.960 120.156 0168.989 4,118.992 9
8PFUdA7.63562.956 85562.956 76-0.159 9168.989 3,118.992 6
9PFDoA8.12612.953 65612.953 720.114 2168.989 3,118.992 7
10PFTrDA8.57662.950 46662.950 560.150 8168.989 3,118.992 7
11PFTeDA8.97712.947 26712.947 270.014 0168.989 4,118.992 7
12PFHxDA9.65812.940 88812.941 040.196 8168.989 5,303.232 9
13PFODA10.15912.934 49912.934 36-0.142 4168.989 4,118.992 7
14PFBS4.72298.942 99298.943 010.066 998.955 8,79.957 5
15L-PFPeS5.32348.939 80348.939 850.143 398.955 8,79.957 5
16PFHxS6.00398.936 60398.936 58-0.050 198.955 9,79.957 5
17PFHpS6.73448.933 41448.933 39-0.044 698.955 8,79.957 4
18PFOS7.37498.930 22498.930 260.080 298.955 8,79.957 4
19L-PFNS7.88548.927 02548.927 00-0.036 498.955 8,79.957 5
20PFDS8.33598.923 83598.923 830.000 098.955 8,79.957 5
21L-PFDoS9.09698.917 44698.917 36-0.114 598.955 9,79.957 5
224:2 FTS4.35326.974 26326.974 270.030 6306.968 1,80.965 3
236:2 FTS5.36426.967 90426.967 89-0.023 4406.962 0,80.965 3
248:2 FTS6.72526.961 52526.961 45-0.132 8506.955 1,80.965 2
2510:2 FTS7.87626.955 13626.955 160.047 9606.947 9,80.965 3
26FBSA5.37297.958 98297.958 94-0.134 277.965 6
27FHxSA7.42397.952 59397.952 55-0.100 577.965 6
28FOSA8.85497.946 20497.946 11-0.180 777.965 7
29N-MeFOSAA7.20569.967 33569.967 390.105 3418.973 0,218.985 5,82.960 9
30N-EtFOSAA7.47583.982 98583.982 91-0.119 9218.986 3,168.959 3,82.960 9
31N-EtFOSA10.27525.977 50525.977 600.190 1218.986 1,168.989 4
32N-MeFOSE10.00601.993 55601.993 53-0.033 2/
33N-EtFOSE10.27616.009 22616.009 340.194 8/
34FHUEA4.82356.979 04356.979 100.168 1292.983 0
35FOUEA6.05456.972 65456.972 59-0.131 3392.976 1
36FDUEA7.46556.966 27556.966 17-0.179 5492.969 8,242.985 9
379Cl-PF3ONS7.74530.895 58530.895 52-0.113 0350.945 1,82.960 9
3811Cl-PF3OUdS8.62630.889 19630.888 98-0.332 9450.938 9,98.955 8,82.960 9
39OBS7.40602.956 43602.956 450.033 2464.966 2,171.983 6,79.957 4
40PFEESA5.00314.937 91314.937 930.063 5134.987 6
417:3 FTCA6.28440.997 73440.997 62-0.249 4316.982 9,266.986 1
42HFPO-DA4.72284.977 90284.977 910.035 1168.989 4
43NaDONA5.25376.968 87376.968 81-0.159 2250.976 0,84.990 8
IS-1MPFBA3.80216.992 62216.992 56-0.276 5171.885 2,125.892 4
IS-2M5PFPeA4.20267.992 78267.992 77-0.037 3222.998 5
IS-3M5PFHxA4.55317.989 58317.989 620.125 8272.995 2,134.895 3
IS-4M4PFHpA5.05366.983 04366.982 94-0.272 5321.987 8
IS-5M8PFOA5.66420.993 26420.993 260.000 0375.999 8,171.999 3,61.988 5
IS-6M9PFNA6.35471.993 42471.993 37-0.105 9427.000 7,223.000 3,172.000 1
IS-7M6PFDA7.06518.980 16518.980 190.057 8473.986 1
IS-8M7PFUdA7.63569.980 33569.980 410.140 4168.990 6
IS-9MPFDoA8.12614.960 36614.960 32-0.065 0168.991 1,116.928 8
IS-10M2PFTeDA8.97714.953 97714.953 86-0.153 9669.962 8,279.232 6
IS-11M8FOSA8.85505.973 04505.972 90-0.276 777.965 7
IS-12d3-N-MeFOSA10.00514.980 68514.980 710.058 3168.989 6
IS-13d5-N-EtFOSA10.30531.008 89531.008 970.150 7168.989 4
IS-14d3-N-MeFOSAA7.20572.986 16572.986 15-0.017 5418.973 3,168.989 4,82.960 9
IS-15d5-N-EtFOSAA7.46589.014 36589.014 400.067 9418.974 5,218.986 8
IS-16d7-N-MeFOSE9.96609.037 48609.037 540.098 5/
IS-17d9-N-EtFOSE10.24625.065 69625.065 730.064 0/
IS-18M3HFPO-DA4.72331.977 79331.977 800.030 1287.238 9,61.988 4
IS-19M3PFBS4.72301.953 06301.953 00-0.198 798.955 9,79.957 4
IS-20M3PFHxS6.00401.946 67401.946 700.074 698.955 8,79.957 5
IS-21M8PFOS7.37506.957 06506.957 070.019 798.955 9,79.957 5
IS-22M2-4:2 FTS4.54328.981 00328.980 98-0.060 8308.974 4,80.965 2
IS-23M2-6:2 FTS5.36428.974 61428.974 950.792 6408.969 5,80.965 2
IS-24M2-8:2 FTS6.72528.968 23528.968 380.283 6508.965 1,80.965 3
IS-25MFHUEA4.82358.985 75358.985 69-0.167 1293.986 7
IS-26MFOUEA6.05458.979 36458.979 31-0.108 9393.979 8
IS-27MFDUEA7.46558.972 98558.972 90-0.143 1493.975 0
), ArticleFig(id=1239977440542519477, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表1, caption=

43个PFAS以及27种内标的质谱参数

, figureFileSmall=null, figureFileBig=null, tableContent=
编号(No.)化合物简称
(compound abbreviation)
保留时间
(retention time)/min
理论值
(theoretical mass)m/z
实测值
(observed mass)m/z
相对误差
(relative error)×10-6
主要碎片离子
(main fragment ion)m/z
1PFBA3.80212.979 20212.979 13-0.328 7168.989 3
2PFPeA4.13262.976 01262.976 010.000 061.988 4
3PFHxA4.55312.972 81312.972 78-0.095 9118.993 0,61.988 4
4PFHpA5.05362.969 62362.969 670.137 8168.989 7,118.992 9
5PFOA5.66412.966 43412.966 430.000 0368.976 5,168.989 7
6PFNA6.35462.963 23462.963 230.000 0168.989 6,118.992 5
7PFDA7.06512.960 04512.960 120.156 0168.989 4,118.992 9
8PFUdA7.63562.956 85562.956 76-0.159 9168.989 3,118.992 6
9PFDoA8.12612.953 65612.953 720.114 2168.989 3,118.992 7
10PFTrDA8.57662.950 46662.950 560.150 8168.989 3,118.992 7
11PFTeDA8.97712.947 26712.947 270.014 0168.989 4,118.992 7
12PFHxDA9.65812.940 88812.941 040.196 8168.989 5,303.232 9
13PFODA10.15912.934 49912.934 36-0.142 4168.989 4,118.992 7
14PFBS4.72298.942 99298.943 010.066 998.955 8,79.957 5
15L-PFPeS5.32348.939 80348.939 850.143 398.955 8,79.957 5
16PFHxS6.00398.936 60398.936 58-0.050 198.955 9,79.957 5
17PFHpS6.73448.933 41448.933 39-0.044 698.955 8,79.957 4
18PFOS7.37498.930 22498.930 260.080 298.955 8,79.957 4
19L-PFNS7.88548.927 02548.927 00-0.036 498.955 8,79.957 5
20PFDS8.33598.923 83598.923 830.000 098.955 8,79.957 5
21L-PFDoS9.09698.917 44698.917 36-0.114 598.955 9,79.957 5
224:2 FTS4.35326.974 26326.974 270.030 6306.968 1,80.965 3
236:2 FTS5.36426.967 90426.967 89-0.023 4406.962 0,80.965 3
248:2 FTS6.72526.961 52526.961 45-0.132 8506.955 1,80.965 2
2510:2 FTS7.87626.955 13626.955 160.047 9606.947 9,80.965 3
26FBSA5.37297.958 98297.958 94-0.134 277.965 6
27FHxSA7.42397.952 59397.952 55-0.100 577.965 6
28FOSA8.85497.946 20497.946 11-0.180 777.965 7
29N-MeFOSAA7.20569.967 33569.967 390.105 3418.973 0,218.985 5,82.960 9
30N-EtFOSAA7.47583.982 98583.982 91-0.119 9218.986 3,168.959 3,82.960 9
31N-EtFOSA10.27525.977 50525.977 600.190 1218.986 1,168.989 4
32N-MeFOSE10.00601.993 55601.993 53-0.033 2/
33N-EtFOSE10.27616.009 22616.009 340.194 8/
34FHUEA4.82356.979 04356.979 100.168 1292.983 0
35FOUEA6.05456.972 65456.972 59-0.131 3392.976 1
36FDUEA7.46556.966 27556.966 17-0.179 5492.969 8,242.985 9
379Cl-PF3ONS7.74530.895 58530.895 52-0.113 0350.945 1,82.960 9
3811Cl-PF3OUdS8.62630.889 19630.888 98-0.332 9450.938 9,98.955 8,82.960 9
39OBS7.40602.956 43602.956 450.033 2464.966 2,171.983 6,79.957 4
40PFEESA5.00314.937 91314.937 930.063 5134.987 6
417:3 FTCA6.28440.997 73440.997 62-0.249 4316.982 9,266.986 1
42HFPO-DA4.72284.977 90284.977 910.035 1168.989 4
43NaDONA5.25376.968 87376.968 81-0.159 2250.976 0,84.990 8
IS-1MPFBA3.80216.992 62216.992 56-0.276 5171.885 2,125.892 4
IS-2M5PFPeA4.20267.992 78267.992 77-0.037 3222.998 5
IS-3M5PFHxA4.55317.989 58317.989 620.125 8272.995 2,134.895 3
IS-4M4PFHpA5.05366.983 04366.982 94-0.272 5321.987 8
IS-5M8PFOA5.66420.993 26420.993 260.000 0375.999 8,171.999 3,61.988 5
IS-6M9PFNA6.35471.993 42471.993 37-0.105 9427.000 7,223.000 3,172.000 1
IS-7M6PFDA7.06518.980 16518.980 190.057 8473.986 1
IS-8M7PFUdA7.63569.980 33569.980 410.140 4168.990 6
IS-9MPFDoA8.12614.960 36614.960 32-0.065 0168.991 1,116.928 8
IS-10M2PFTeDA8.97714.953 97714.953 86-0.153 9669.962 8,279.232 6
IS-11M8FOSA8.85505.973 04505.972 90-0.276 777.965 7
IS-12d3-N-MeFOSA10.00514.980 68514.980 710.058 3168.989 6
IS-13d5-N-EtFOSA10.30531.008 89531.008 970.150 7168.989 4
IS-14d3-N-MeFOSAA7.20572.986 16572.986 15-0.017 5418.973 3,168.989 4,82.960 9
IS-15d5-N-EtFOSAA7.46589.014 36589.014 400.067 9418.974 5,218.986 8
IS-16d7-N-MeFOSE9.96609.037 48609.037 540.098 5/
IS-17d9-N-EtFOSE10.24625.065 69625.065 730.064 0/
IS-18M3HFPO-DA4.72331.977 79331.977 800.030 1287.238 9,61.988 4
IS-19M3PFBS4.72301.953 06301.953 00-0.198 798.955 9,79.957 4
IS-20M3PFHxS6.00401.946 67401.946 700.074 698.955 8,79.957 5
IS-21M8PFOS7.37506.957 06506.957 070.019 798.955 9,79.957 5
IS-22M2-4:2 FTS4.54328.981 00328.980 98-0.060 8308.974 4,80.965 2
IS-23M2-6:2 FTS5.36428.974 61428.974 950.792 6408.969 5,80.965 2
IS-24M2-8:2 FTS6.72528.968 23528.968 380.283 6508.965 1,80.965 3
IS-25MFHUEA4.82358.985 75358.985 69-0.167 1293.986 7
IS-26MFOUEA6.05458.979 36458.979 31-0.108 9393.979 8
IS-27MFDUEA7.46558.972 98558.972 90-0.143 1493.975 0
), ArticleFig(id=1239977440630599864, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.2, caption=

Quantitative internal standards (IS),linear ranges,correlation coefficients (r) for 43 PFAS

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
IS线性范围
(linear range)/(ng·mL-1
线性方程
(linear equation)
r
1PFBAMPFBA0.050~10.0Y=0.301 9X+4.958×10-20.999 2
2PFPeAM5PFPeA0.050~10.0Y=0.653 4X+2.176×10-20.999 1
3PFHxAM5PFHxA0.050~10.0Y=1.304X+7.436×10-20.999 3
4PFHpAM4PFHpA0.050~10.0Y=1.356X+2.839×10-20.999 6
5PFOAM8PFOA0.050~10.0Y=1.325X+5.523×10-20.999 6
6PFNAM9PFNA0.050~10.0Y=2.589X+2.389×10-20.999 9
7PFDAM6PFDA0.050~10.0Y=2.716X+1.207×10-20.999 6
8PFUdAM7PFUdA0.050~50.0Y=0.506 8X-1.245×10-30.999 8
9PFDoAMPFDoA0.050~10.0Y=2.477X+2.994×10-30.998 9
10PFTrDAMPFDoA0.050~10.0Y=2.328X-6.040×10-30.999 2
11PFTeDAMPFDoA0.050~10.0Y=2.101X-7.270×10-30.999 2
12PFHxDAMPFDoA0.050~10.0Y=0.928 6X-2.620×10-30.998 5
13PFODA*MPFDoA0.144~28.8Y=0.246 9X-8.740×10-30.999 1
14L-PFBS*M3PFBS0.044~8.87Y=1.587X+1.131×10-20.999 5
15L-PFPeS*M3PFBS0.047~9.41Y=1.528X-2.960×10-30.999 5
16L-PFHxS*M3PFHxS0.037~7.41Y=1.587X-2.310×10-30.999 7
17L-PFHpS*M8PFOS0.048~9.53Y=1.217X-4.000×10-30.999 5
18L-PFOS*M8PFOS0.037~7.32Y=1.495X+9.505×10-20.999 4
19L-PFNS*M8PFOS0.048~9.62Y=1.535X-3.190×10-30.999 6
20L-PFDS*M8PFOS0.048~9.65Y=1.538X-5.530×10-30.999 5
21L-PFDoS*M8PFOS0.049~9.70Y=1.203X-1.007×10-20.999 4
224:2 FTS*M2-4:2 FTS0.094~9.37Y=0.712 3X-2.826×10-20.999 6
236:2 FTS*M2-6:2 FTS0.095~9.51Y=0.789 7X-2.110×10-20.998 0
248:2 FTS*M2-8:2 FTS0.096~9.60Y=0.788 6X-5.215×10-20.998 1
2510:2 FTS*M2-8:2 FTS0.048~9.66Y=1.229X-3.530×10-20.998 2
26FBSAM8FOSA0.100~10.0Y=0.399 6X-1.235×10-20.997 6
27FHxSAM8FOSA0.050~10.0Y=0.707 4X-9.627×10-30.999 2
28FOSAM8FOSA0.050~10.0Y=1.394X+8.390×10-30.999 2
29N-MeFOSAA*d3-N-MeFOSAA0.502~7.60Y=0.716 3X-3.714×10-20.999 3
30N-EtFOSAA*d5-N-EtFOSAA0.512~7.75Y=0.739 1X-3.149×10-20.999 3
31N-EtFOSAd3-N-MeFOSA0.050~10.0Y=1.335X+6.575×10-30.999 4
32N-MeFOSEd7-N-MeFOSE0.050~10.0Y=0.121 8X-2.001×10-30.999 0
33N-EtFOSEd9-N-EtFOSE0.050~10.0Y=0.118 4X-9.390×10-40.999 3
34FHUEAMFHUEA1.000~50.0Y=0.339 2X-3.368×10-20.998 7
35FOUEAMFOUEA0.500~50.0Y=0.336 2X-2.872×10-20.997 4
36FDUEAMFDUEA0.250~50.0Y=0.301 8X+4.101×10-30.998 6
379Cl-PF3ONS*M8PFOS0.047~9.33Y=1.295X-4.850×10-30.999 5
3811Cl-PF3OUdS*M8PFOS0.047~9.43Y=1.396X-1.168×10-20.999 5
39OBS*M2-8:2 FTS0.286~28.6Y=7.217×10-2X-6.355×10-30.998 5
40PFEESAM3HFPO-DA0.050~10.0Y=0.557 4X+1.420×10-30.999 4
417:3 FTCAM8FOSA0.668~10.0Y=0.063 2X-1.120×10-20.998 9
42HFPO-DAM3HFPO-DA0.100~10.0Y=1.231X-3.157×10-20.999 6
43NaDONA*M8PFOA0.047~9.45Y=1.355X-1.100×10-20.999 7
), ArticleFig(id=1239977440731263164, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表2, caption=

43种PFAS的定量内标(IS)、线性范围、线性方程和相关系数(r)

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
IS线性范围
(linear range)/(ng·mL-1
线性方程
(linear equation)
r
1PFBAMPFBA0.050~10.0Y=0.301 9X+4.958×10-20.999 2
2PFPeAM5PFPeA0.050~10.0Y=0.653 4X+2.176×10-20.999 1
3PFHxAM5PFHxA0.050~10.0Y=1.304X+7.436×10-20.999 3
4PFHpAM4PFHpA0.050~10.0Y=1.356X+2.839×10-20.999 6
5PFOAM8PFOA0.050~10.0Y=1.325X+5.523×10-20.999 6
6PFNAM9PFNA0.050~10.0Y=2.589X+2.389×10-20.999 9
7PFDAM6PFDA0.050~10.0Y=2.716X+1.207×10-20.999 6
8PFUdAM7PFUdA0.050~50.0Y=0.506 8X-1.245×10-30.999 8
9PFDoAMPFDoA0.050~10.0Y=2.477X+2.994×10-30.998 9
10PFTrDAMPFDoA0.050~10.0Y=2.328X-6.040×10-30.999 2
11PFTeDAMPFDoA0.050~10.0Y=2.101X-7.270×10-30.999 2
12PFHxDAMPFDoA0.050~10.0Y=0.928 6X-2.620×10-30.998 5
13PFODA*MPFDoA0.144~28.8Y=0.246 9X-8.740×10-30.999 1
14L-PFBS*M3PFBS0.044~8.87Y=1.587X+1.131×10-20.999 5
15L-PFPeS*M3PFBS0.047~9.41Y=1.528X-2.960×10-30.999 5
16L-PFHxS*M3PFHxS0.037~7.41Y=1.587X-2.310×10-30.999 7
17L-PFHpS*M8PFOS0.048~9.53Y=1.217X-4.000×10-30.999 5
18L-PFOS*M8PFOS0.037~7.32Y=1.495X+9.505×10-20.999 4
19L-PFNS*M8PFOS0.048~9.62Y=1.535X-3.190×10-30.999 6
20L-PFDS*M8PFOS0.048~9.65Y=1.538X-5.530×10-30.999 5
21L-PFDoS*M8PFOS0.049~9.70Y=1.203X-1.007×10-20.999 4
224:2 FTS*M2-4:2 FTS0.094~9.37Y=0.712 3X-2.826×10-20.999 6
236:2 FTS*M2-6:2 FTS0.095~9.51Y=0.789 7X-2.110×10-20.998 0
248:2 FTS*M2-8:2 FTS0.096~9.60Y=0.788 6X-5.215×10-20.998 1
2510:2 FTS*M2-8:2 FTS0.048~9.66Y=1.229X-3.530×10-20.998 2
26FBSAM8FOSA0.100~10.0Y=0.399 6X-1.235×10-20.997 6
27FHxSAM8FOSA0.050~10.0Y=0.707 4X-9.627×10-30.999 2
28FOSAM8FOSA0.050~10.0Y=1.394X+8.390×10-30.999 2
29N-MeFOSAA*d3-N-MeFOSAA0.502~7.60Y=0.716 3X-3.714×10-20.999 3
30N-EtFOSAA*d5-N-EtFOSAA0.512~7.75Y=0.739 1X-3.149×10-20.999 3
31N-EtFOSAd3-N-MeFOSA0.050~10.0Y=1.335X+6.575×10-30.999 4
32N-MeFOSEd7-N-MeFOSE0.050~10.0Y=0.121 8X-2.001×10-30.999 0
33N-EtFOSEd9-N-EtFOSE0.050~10.0Y=0.118 4X-9.390×10-40.999 3
34FHUEAMFHUEA1.000~50.0Y=0.339 2X-3.368×10-20.998 7
35FOUEAMFOUEA0.500~50.0Y=0.336 2X-2.872×10-20.997 4
36FDUEAMFDUEA0.250~50.0Y=0.301 8X+4.101×10-30.998 6
379Cl-PF3ONS*M8PFOS0.047~9.33Y=1.295X-4.850×10-30.999 5
3811Cl-PF3OUdS*M8PFOS0.047~9.43Y=1.396X-1.168×10-20.999 5
39OBS*M2-8:2 FTS0.286~28.6Y=7.217×10-2X-6.355×10-30.998 5
40PFEESAM3HFPO-DA0.050~10.0Y=0.557 4X+1.420×10-30.999 4
417:3 FTCAM8FOSA0.668~10.0Y=0.063 2X-1.120×10-20.998 9
42HFPO-DAM3HFPO-DA0.100~10.0Y=1.231X-3.157×10-20.999 6
43NaDONA*M8PFOA0.047~9.45Y=1.355X-1.100×10-20.999 7
), ArticleFig(id=1239977440815149249, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.3, caption=

Method lowest limits of detection (LLOD),the lowest limits of quantification (LLOQ),the limits of detection (LOD) and the limits of quantification (LOQ)

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
最低检测限
(LLOD)/(ng·mL-1
最低定量限
(LLOQ)/(ng·mL-1
检测限
(LOD)/(ng·g-1
定量限
(LOQ)/(ng·g-1
1PFBA0.020.050.010.03
2PFPeA0.020.050.010.03
3PFHxA0.020.050.010.03
4PFHpA0.020.050.010.03
5PFOA0.020.050.010.03
6PFNA0.020.050.010.03
7PFDA0.020.050.010.03
8PFUdA0.020.050.010.03
9PFDoA0.020.050.010.03
10PFTrDA0.020.050.010.03
11PFTeDA0.020.050.010.03
12PFHxDA0.020.050.010.03
13PFODA0.040.140.020.07
14L-PFBS0.010.040.010.02
15L-PFPeS0.010.050.010.02
16L-PFHxS0.010.040.010.02
17L-PFHpS0.010.050.010.02
18L-PFOS0.010.040.010.02
19L-PFNS0.010.050.010.02
20L-PFDS0.010.050.010.02
21L-PFDoS0.010.050.010.02
224:2 FTS0.030.090.010.05
236:2 FTS0.030.100.010.05
248:2 FTS0.030.100.010.05
2510:2 FTS0.010.050.010.02
26FBSA0.030.100.020.05
27FHxSA0.06*0.2*0.04*0.1*
28FOSA0.020.050.010.03
29N-MeFOSAA0.150.500.080.25
30N-EtFOSAA0.160.510.080.26
31N-EtFOSA0.020.050.010.03
32N-MeFOSE0.2*0.5*0.1*0.3*
33N-EtFOSE0.2*0.5*0.1*0.3*
34FHUEA0.3*1*0.2*0.5*
35FOUEA0.150.500.080.25
36FDUEA0.080.250.040.13
379Cl-PF3ONS0.010.050.010.02
3811Cl-PF3OUdS0.010.050.010.02
39OBS0.090.290.040.14
40PFEESA0.010.050.010.02
417:3 FTCA0.200.670.100.33
42HFPO-DA0.06*0.2*0.04*0.1*
43NaDONA0.010.050.010.02
), ArticleFig(id=1239977440940978371, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表3, caption=

方法最低检测限、最低定量限、检测限与定量限

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
最低检测限
(LLOD)/(ng·mL-1
最低定量限
(LLOQ)/(ng·mL-1
检测限
(LOD)/(ng·g-1
定量限
(LOQ)/(ng·g-1
1PFBA0.020.050.010.03
2PFPeA0.020.050.010.03
3PFHxA0.020.050.010.03
4PFHpA0.020.050.010.03
5PFOA0.020.050.010.03
6PFNA0.020.050.010.03
7PFDA0.020.050.010.03
8PFUdA0.020.050.010.03
9PFDoA0.020.050.010.03
10PFTrDA0.020.050.010.03
11PFTeDA0.020.050.010.03
12PFHxDA0.020.050.010.03
13PFODA0.040.140.020.07
14L-PFBS0.010.040.010.02
15L-PFPeS0.010.050.010.02
16L-PFHxS0.010.040.010.02
17L-PFHpS0.010.050.010.02
18L-PFOS0.010.040.010.02
19L-PFNS0.010.050.010.02
20L-PFDS0.010.050.010.02
21L-PFDoS0.010.050.010.02
224:2 FTS0.030.090.010.05
236:2 FTS0.030.100.010.05
248:2 FTS0.030.100.010.05
2510:2 FTS0.010.050.010.02
26FBSA0.030.100.020.05
27FHxSA0.06*0.2*0.04*0.1*
28FOSA0.020.050.010.03
29N-MeFOSAA0.150.500.080.25
30N-EtFOSAA0.160.510.080.26
31N-EtFOSA0.020.050.010.03
32N-MeFOSE0.2*0.5*0.1*0.3*
33N-EtFOSE0.2*0.5*0.1*0.3*
34FHUEA0.3*1*0.2*0.5*
35FOUEA0.150.500.080.25
36FDUEA0.080.250.040.13
379Cl-PF3ONS0.010.050.010.02
3811Cl-PF3OUdS0.010.050.010.02
39OBS0.090.290.040.14
40PFEESA0.010.050.010.02
417:3 FTCA0.200.670.100.33
42HFPO-DA0.06*0.2*0.04*0.1*
43NaDONA0.010.050.010.02
), ArticleFig(id=1239977441029058759, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.4, caption=

Accuracy,repeatability and method recovery test results of 43 PFAS in Pheretima

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
本底浓度
(background)/(ng·mL-1
加标浓度(spiked concentration)/(ng·mL-1加标回收率(spiked recovery)/%重复性
(repeata-bility)RSD/%
方法回收率
(method recovery)/%
LM1M2HLM1M2H加标回收率平均值(mean spiked recovery)
1PFBA1.2010.502.004.008.00105.7±15.8117.9±15.8107.7±3.7112.9±16.5111.011.692.0
2PFPeAND0.502.004.008.0087.7±3.1103.3±4.6107.0±3.0111.7±0.4102.49.5124.6
3PFHxAND0.502.004.008.00101.7±5.2129.3±9.7125.1±10.5118.2±8.6118.611.2126.2
4PFHpAND0.502.004.008.00105.2±7.1115.1±10.2127.5±7.1121.4±9.1117.39.6137.8
5PFOA0.0630.502.004.008.0093.2±3.5105.7±5.3107.2±4.1110.1±2.3104.07.2134.5
6PFNA0.0650.502.004.008.0098.1±2.2109.7±7.3109.6±4.9112.0±2.8107.36.5139.5
7PFDA0.1100.502.004.008.0095.6±6.1107.3±4.5104.8±1.5107.8±4.3103.96.1127.4
8PFUdA1.4942.5010.020.040.0114.7±6.6111.8±9.2112.2±11.3112.7±6.4112.86.6114.9
9PFDoA0.5430.502.004.008.00123.1±4.6123.3±11.6130.2±21.4108.9±1.5121.411.0117.0
10PFTrDA4.6200.502.004.008.00112.6±13.186.9±11.5102.2±11.687.4±2.397.314.8111.7
11PFTeDA1.5630.502.004.008.00121.1±4.7115.6±7.3110.6±10.593.7±2.6110.311.1106.7
12PFHxDA0.5970.502.014.028.0397.4±2.693.0±3.191.7±2.697.0±1.594.83.5105.1
13PFODA0.2771.445.7711.5323.06100.8±5.589.7±3.683.0±14.575.7±1.487.313.589.0
14L-PFBSND0.441.773.557.1083.4±11.7107.7±6.4108.2±4.5110.6±1.8102.512.7132.2
15L-PFPeSND0.471.883.767.53110.5±5.9127.5±4.4114.8±6.1129.8±2.6120.77.9161.1
16L-PFHxS0.0000.371.482.965.9392.6±2.6103.5±4.0102.7±1.4109.2±2.3102.06.5152.3
17L-PFHpSND0.481.913.817.6291.0±1.8104.2±5.5104.5±3.9110.0±2.4102.47.8153.6
18L-PFOS0.1710.371.462.935.8687.7±5.3104.5±5.4107.3±3.5108.1±1.7101.99.2143.7
19L-PFNSND0.481.923.857.7083.9±0.694.4±4.197.7±0.697.7±2.593.46.7141.0
20L-PFDSND0.481.933.867.7274.6±4.381.8±2.981.9±1.382.0±1.380.15.1138.3
21L-PFDoSND0.491.943.887.7673.1±4.167.2±3.266.6±1.166.4±0.768.35.4136.3
224:2 FTSND0.471.873.757.5090.2±5.7101.3±6.4108.9±11.3110.6±4.297.710.2203.1
236:2 FTS0.1150.481.903.807.6191.4±5.0108.8±22.6100.8±3.1111.3±3.0100.612.5224.4
248:2 FTSND0.481.923.847.6889.6±2.199.3±6.3101.6±2.8106.8±1.599.37.3218.8
2510:2 FTSND0.481.933.867.73100.6±5.8114.8±6.8120.0±12.9123.7±0.9114.89.9223.9
27FBSA*ND0.502.004.008.0068.6±8.569.7±9.587.3±8.876.2±5.375.513.8108.0
28FHxSA*ND0.502.004.008.0096.8±12.5109.9±9.6125.8±6.3127.2±4.0114.913.1113.8
26FOSA*0.0360.502.004.008.0090.6±2.4112.2±2.299.4±11.4113.0±2.4103.810.6121.8
29N-MeFOSAAND0.381.523.046.0876.3±5.9105.3±3.3104.8±6.1110.5±1.899.214.7172.9
30N-EtFOSAAND0.391.553.106.2079.1±1.4104.0±3.6103.1±4.5113.9±6.1100.013.9200.3
31N-EtFOSA*ND0.502.004.008.0094.7±10.7121.2±10.8127.2±2.5123.3±13.3116.613.731.3
32N-MeFOSE*ND0.502.004.008.00/91.8±5.692.8±5.690.5±9.791.76.923.7
33N-EtFOSE*ND0.502.004.008.00/93.9±4.487.5±6.586.0±5.489.16.713.0
34FHUEAND2.510.020.040.087.2±4.694.3±10.395.5±7.088.3±5.991.38.052.4
35FOUEAND2.510.020.040.0100.5±7.4106.8±2.8106.8±5.9104.4±3.2104.65.0116.7
36FDUEAND2.510.020.040.0100.3±2.8112.7±3.1107.7±1.8104.2±1.0106.24.8155.7
379Cl-PF3ONS0.0560.471.873.737.4679.8±1.691.8±4.993.2±2.394.5±1.889.87.4130.8
3811Cl-PF3OUdS0.0040.471.893.777.5477.2±1.081.2±3.181.4±3.680.8±2.880.23.7125.3
39OBSND1.435.7311.4522.91104.8±4.8116.8±3.8117.9±1.6116.5±4.9114.05.7255.1
407:3 FTCA*ND0.502.014.018.0283.2±8.788.8±6.4100.9±6.285.3±5.689.610.393.2
41PFEESAND0.502.003.997.98101.9±3.098.8±4.9104.4±4.0117.9±7.5105.711.548.5
42HFPO-DAND0.502.004.008.0083.7±8.6120.2±10.3106.0±6.2113.4±5.1105.815.046.2
43NaDONAND0.471.893.787.5694.0±2.9109.8±6.8107.2±2.6106.8±2.2104.47.0136.9
), ArticleFig(id=1239977442526425295, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表4, caption=

地龙中43个PFAS的准确度、重复性和方法回收率考察结果

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
(No.)
化合物简称
(compound abbreviation)
本底浓度
(background)/(ng·mL-1
加标浓度(spiked concentration)/(ng·mL-1加标回收率(spiked recovery)/%重复性
(repeata-bility)RSD/%
方法回收率
(method recovery)/%
LM1M2HLM1M2H加标回收率平均值(mean spiked recovery)
1PFBA1.2010.502.004.008.00105.7±15.8117.9±15.8107.7±3.7112.9±16.5111.011.692.0
2PFPeAND0.502.004.008.0087.7±3.1103.3±4.6107.0±3.0111.7±0.4102.49.5124.6
3PFHxAND0.502.004.008.00101.7±5.2129.3±9.7125.1±10.5118.2±8.6118.611.2126.2
4PFHpAND0.502.004.008.00105.2±7.1115.1±10.2127.5±7.1121.4±9.1117.39.6137.8
5PFOA0.0630.502.004.008.0093.2±3.5105.7±5.3107.2±4.1110.1±2.3104.07.2134.5
6PFNA0.0650.502.004.008.0098.1±2.2109.7±7.3109.6±4.9112.0±2.8107.36.5139.5
7PFDA0.1100.502.004.008.0095.6±6.1107.3±4.5104.8±1.5107.8±4.3103.96.1127.4
8PFUdA1.4942.5010.020.040.0114.7±6.6111.8±9.2112.2±11.3112.7±6.4112.86.6114.9
9PFDoA0.5430.502.004.008.00123.1±4.6123.3±11.6130.2±21.4108.9±1.5121.411.0117.0
10PFTrDA4.6200.502.004.008.00112.6±13.186.9±11.5102.2±11.687.4±2.397.314.8111.7
11PFTeDA1.5630.502.004.008.00121.1±4.7115.6±7.3110.6±10.593.7±2.6110.311.1106.7
12PFHxDA0.5970.502.014.028.0397.4±2.693.0±3.191.7±2.697.0±1.594.83.5105.1
13PFODA0.2771.445.7711.5323.06100.8±5.589.7±3.683.0±14.575.7±1.487.313.589.0
14L-PFBSND0.441.773.557.1083.4±11.7107.7±6.4108.2±4.5110.6±1.8102.512.7132.2
15L-PFPeSND0.471.883.767.53110.5±5.9127.5±4.4114.8±6.1129.8±2.6120.77.9161.1
16L-PFHxS0.0000.371.482.965.9392.6±2.6103.5±4.0102.7±1.4109.2±2.3102.06.5152.3
17L-PFHpSND0.481.913.817.6291.0±1.8104.2±5.5104.5±3.9110.0±2.4102.47.8153.6
18L-PFOS0.1710.371.462.935.8687.7±5.3104.5±5.4107.3±3.5108.1±1.7101.99.2143.7
19L-PFNSND0.481.923.857.7083.9±0.694.4±4.197.7±0.697.7±2.593.46.7141.0
20L-PFDSND0.481.933.867.7274.6±4.381.8±2.981.9±1.382.0±1.380.15.1138.3
21L-PFDoSND0.491.943.887.7673.1±4.167.2±3.266.6±1.166.4±0.768.35.4136.3
224:2 FTSND0.471.873.757.5090.2±5.7101.3±6.4108.9±11.3110.6±4.297.710.2203.1
236:2 FTS0.1150.481.903.807.6191.4±5.0108.8±22.6100.8±3.1111.3±3.0100.612.5224.4
248:2 FTSND0.481.923.847.6889.6±2.199.3±6.3101.6±2.8106.8±1.599.37.3218.8
2510:2 FTSND0.481.933.867.73100.6±5.8114.8±6.8120.0±12.9123.7±0.9114.89.9223.9
27FBSA*ND0.502.004.008.0068.6±8.569.7±9.587.3±8.876.2±5.375.513.8108.0
28FHxSA*ND0.502.004.008.0096.8±12.5109.9±9.6125.8±6.3127.2±4.0114.913.1113.8
26FOSA*0.0360.502.004.008.0090.6±2.4112.2±2.299.4±11.4113.0±2.4103.810.6121.8
29N-MeFOSAAND0.381.523.046.0876.3±5.9105.3±3.3104.8±6.1110.5±1.899.214.7172.9
30N-EtFOSAAND0.391.553.106.2079.1±1.4104.0±3.6103.1±4.5113.9±6.1100.013.9200.3
31N-EtFOSA*ND0.502.004.008.0094.7±10.7121.2±10.8127.2±2.5123.3±13.3116.613.731.3
32N-MeFOSE*ND0.502.004.008.00/91.8±5.692.8±5.690.5±9.791.76.923.7
33N-EtFOSE*ND0.502.004.008.00/93.9±4.487.5±6.586.0±5.489.16.713.0
34FHUEAND2.510.020.040.087.2±4.694.3±10.395.5±7.088.3±5.991.38.052.4
35FOUEAND2.510.020.040.0100.5±7.4106.8±2.8106.8±5.9104.4±3.2104.65.0116.7
36FDUEAND2.510.020.040.0100.3±2.8112.7±3.1107.7±1.8104.2±1.0106.24.8155.7
379Cl-PF3ONS0.0560.471.873.737.4679.8±1.691.8±4.993.2±2.394.5±1.889.87.4130.8
3811Cl-PF3OUdS0.0040.471.893.777.5477.2±1.081.2±3.181.4±3.680.8±2.880.23.7125.3
39OBSND1.435.7311.4522.91104.8±4.8116.8±3.8117.9±1.6116.5±4.9114.05.7255.1
407:3 FTCA*ND0.502.014.018.0283.2±8.788.8±6.4100.9±6.285.3±5.689.610.393.2
41PFEESAND0.502.003.997.98101.9±3.098.8±4.9104.4±4.0117.9±7.5105.711.548.5
42HFPO-DAND0.502.004.008.0083.7±8.6120.2±10.3106.0±6.2113.4±5.1105.815.046.2
43NaDONAND0.471.893.787.5694.0±2.9109.8±6.8107.2±2.6106.8±2.2104.47.0136.9
), ArticleFig(id=1239977442677420240, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.5, caption=

Results of matrix effect investigation for Pheretima

, figureFileSmall=null, figureFileBig=null, tableContent=
目标物
(target)
内标
(IS)
基质效应Ⅱ(matrix effect Ⅱ)/%基质效应Ⅰ(matrix effect Ⅰ)/%
LM1H均值
(mean)
ISLM1H均值
(mean)
IS
PFBAMPFBA139.7±11.0127.8±9.4125.1±12.2130.9151.2114.4±63.8107.1±47.6107.5±44.4109.791.4
PFPeAM5PFPeA160.3±17.8136.6±11.2130.5±6.6142.5134.4127.9±43.4121.1±28.7127.4±27.1125.5106.5
PFHxAM5PFHxA135.4±30.1138.4±20.0134.1±11.7136.0126.7120.1±25.8150.4±14.0157.6±12.0142.7131.3
PFHpAM4PFHpA146.6±45.2142.3±29.1136.4±16.4141.7133.8173.0±16.0165.1±5.0159.1±9.4165.8141.4
PFOAM8PFOA168.1±21.3152.9±13.4149.8±12.6156.9151.0229.8±18.0212.6±5.0201.0±11.5214.5185.8
PFNAM9PFNA190.6±18.3178.6±17.8171.9±17.4180.4187.6293.5±38.9262.3±15.9257.9±19.8271.3248.3
PFDAM6PFDA246.4±21.3218.0±21.7205.4±17.9223.3240.6309.9±50.6306.2±14.7304.4±26.1306.8272.0
PFUdAM7PFUdA215.8±65.6192.6±16.5214.9±22.7207.8252.6246.9±57.5266.4±37.2275.9±35.7263.1227.4
PFDoAMPFDoA242.6±41.2216.9±39.6219.0±23.9226.2228.9221.2±25.8267.1±12.0267.5±17.5251.9217.9
PFTrDAMPFDoA171.2±75.1204.7±78.0164.3±56.4180.0228.9223.6±39.9275.5±14.1262.6±15.0253.9217.9
PFTeDAMPFDoA175.4±59.8206.2±47.2175.7±40.6185.8228.9168.5±33.6258.6±15.5265.9±21.6231.0217.9
PFHxDAMPFDoA248.7±12.0181.6±25.6165.6±17.2198.6228.939.9±37.3118.6±50.5157.1±36.9105.2217.9
PFODAMPFDoA202.1±32.3174.0±14.2176.9±15.2184.3228.9101.4±40.6145.2±27.3128.9±20.3125.2217.9
L-PFBSM3PFBS131.7±12.9126.2±13.5128.9±11.9128.9131.2140.2±12.0138.8±5.4142.5±8.2140.5130.8
L-PFPeSM3PFBS140.9±14.1131.2±7.6130.0±6.4134.0131.2145.3±8.5145.8±4.2148.2±7.9146.4130.8
L-PFHxSM3PFHxS140.2±14.9136.0±8.9135.2±8.4137.1138.6146.1±11.5152.5±5.7158.8±7.9152.4142.1
L-PFHpSM8PFOS152.0±14.2147.9±9.9147.8±10.3149.2166.3158.8±13.4164.7±9.5173.3±11.6165.6148.5
L-PFOSM8PFOS126.9±63.3170.2±20.4157.4±13.1151.5166.3148.2±23.0161.3±21.8166.6±12.4158.7148.5
L-PFNSM8PFOS159.2±17.9171.1±15.4170.9±14.1167.1166.3115.0±19.0141.0±16.6150.8±12.8135.6148.5
L-PFDSM8PFOS171.0±20.1164.6±21.2160.5±20.1165.4166.3132.7±9.9169.0±8.6163.8±9.1155.2148.5
L-PFDoSM8PFOS185.9±18.8183.0±19.3180.1±17.3183.0166.3169.4±21.8197.0±17.4183.1±20.6183.2148.5
4:2 FTSM2-4:2 FTS87.0±37.7147.8±19.7159.7±16.3131.5154.4306.2±129.4302.4±106.9312.2±104.4306.9283.7
6:2 FTSM2-6:2 FTS162.1±31.5174.0±52.298.9±31.7145.0136.2406.3±106.7419.9±84.3473.3±82.4433.1434.5
8:2 FTSM2-8:2 FTS219.3±53.5163.7±24.0162.3±22.1181.8165.2329.4±96.8336.8±77.9412.1±105.9359.5339.1
10:2 FTSM2-8:2 FTS184.0±59.0177.7±28.2186.4±24.1182.7165.2130.9±71.0222.5±57.9300.7±47.9218.0 339.1
FBSA*M8FOSA*47.3±25.543.2±13.449.5±21.746.7101.9109.7±33.468.9±12.878.1±33.285.5 133.9
FHxSA*M8FOSA*91.4±17.382.6±8.4108.1±17.194.0101.9150.5±38.7106.3±20.7153.4±31.4136.7133.9
FOSA*M8FOSA*114.8±14.9116.6±14.7115.8±13.5115.8101.9142.8±19.6138.7±9.3153.1±15.6144.9133.9
N-MeFOSAAd3-N-MeFOSAA173.9±86.9178.9±33.6149.5±18.0167.4154.3277.9±142.3379.5±98.6345.4±82.5334.3290.6
N-EtFOSAAd5-N-EtFOSAA147.9±69.5172.8±23.3166.1±24.4162.3166.1366.3±191.4414.6±73.2438.6±94.6406.5357.7
N-EtFOSA*d3-N-MeFOSA*20.0±5.128.7±5.945.0±16.931.2 33.3 20.5±8.331.1±8.539.6±15.430.4 30.4
N-MeFOSE*d7-N-MeFOSE*21.9±8.859.7±4.879.6±5.453.753.811.8±5.649.9±5.868.5±4.143.442.4
N-EtFOSE*d9-N-EtFOSE*31.7±9.458.8±5.773.5±7.054.752.86.4±4.239.8±6.755.5±11.833.932.3
FHUEAMFHUEA123.3±13.5137.4±10.4128.3±7.1129.795.6241.1±77.6274.0±63.2281.5±55.9265.5204.9
FOUEAMFOUEA130.4±24.1133.1±16.2131.0±12.0131.5123.4257.1±55.1253.1±51.1257.4±54.5255.9189.3
FDUEAMFDUEA145.7±15.4161.8±18.0162.5±20.0156.7144.0295.6±76.6344.1±66.2376.1±80.3338.6294.3
9Cl-PF3ONSM8PFOS177.0±12.0169.8±9.8166.7±11.3171.2166.3126.3±23.2142.4±19.9153.0±17.3140.6148.5
11Cl-PF3OUdSM8PFOS169.3±18.2167.1±13.1150.4±7.9162.3166.3133.5±12.8157.7±8.2145.4±8.9145.6148.5
OBSM8PFOS127.2±18.0152.8±22.4154.0±19.7144.7166.3135.3±58.8200.9±55.0239.9±56.6192.0148.5
7:3 FTCA*M8FOSA*355.0±162.8116.3±12.0107.0±9.5192.8101.9171.0±83.4123.2±44.8127.9±34.6140.7133.9
PFEESAM3PFBS80.1±20.789.2±17.694.1±12.287.8131.2122.4±8.5128.4±3.8134.8±7.2128.5130.8
HFPO-DAM3HFPO-DA51.6±41.968.7±31.076.4±23.265.657.651.6±13.266.2±11.869.4±7.562.476.3
NaDONAM8PFOA135.1±17.2126.4±10.3123.4±8.3128.3151.0143.6±12.9136.5±5.3129.8±8.6136.6185.8
), ArticleFig(id=1239977442769694932, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表5, caption=

地龙的基质效应考察结果(n=6)

, figureFileSmall=null, figureFileBig=null, tableContent=
目标物
(target)
内标
(IS)
基质效应Ⅱ(matrix effect Ⅱ)/%基质效应Ⅰ(matrix effect Ⅰ)/%
LM1H均值
(mean)
ISLM1H均值
(mean)
IS
PFBAMPFBA139.7±11.0127.8±9.4125.1±12.2130.9151.2114.4±63.8107.1±47.6107.5±44.4109.791.4
PFPeAM5PFPeA160.3±17.8136.6±11.2130.5±6.6142.5134.4127.9±43.4121.1±28.7127.4±27.1125.5106.5
PFHxAM5PFHxA135.4±30.1138.4±20.0134.1±11.7136.0126.7120.1±25.8150.4±14.0157.6±12.0142.7131.3
PFHpAM4PFHpA146.6±45.2142.3±29.1136.4±16.4141.7133.8173.0±16.0165.1±5.0159.1±9.4165.8141.4
PFOAM8PFOA168.1±21.3152.9±13.4149.8±12.6156.9151.0229.8±18.0212.6±5.0201.0±11.5214.5185.8
PFNAM9PFNA190.6±18.3178.6±17.8171.9±17.4180.4187.6293.5±38.9262.3±15.9257.9±19.8271.3248.3
PFDAM6PFDA246.4±21.3218.0±21.7205.4±17.9223.3240.6309.9±50.6306.2±14.7304.4±26.1306.8272.0
PFUdAM7PFUdA215.8±65.6192.6±16.5214.9±22.7207.8252.6246.9±57.5266.4±37.2275.9±35.7263.1227.4
PFDoAMPFDoA242.6±41.2216.9±39.6219.0±23.9226.2228.9221.2±25.8267.1±12.0267.5±17.5251.9217.9
PFTrDAMPFDoA171.2±75.1204.7±78.0164.3±56.4180.0228.9223.6±39.9275.5±14.1262.6±15.0253.9217.9
PFTeDAMPFDoA175.4±59.8206.2±47.2175.7±40.6185.8228.9168.5±33.6258.6±15.5265.9±21.6231.0217.9
PFHxDAMPFDoA248.7±12.0181.6±25.6165.6±17.2198.6228.939.9±37.3118.6±50.5157.1±36.9105.2217.9
PFODAMPFDoA202.1±32.3174.0±14.2176.9±15.2184.3228.9101.4±40.6145.2±27.3128.9±20.3125.2217.9
L-PFBSM3PFBS131.7±12.9126.2±13.5128.9±11.9128.9131.2140.2±12.0138.8±5.4142.5±8.2140.5130.8
L-PFPeSM3PFBS140.9±14.1131.2±7.6130.0±6.4134.0131.2145.3±8.5145.8±4.2148.2±7.9146.4130.8
L-PFHxSM3PFHxS140.2±14.9136.0±8.9135.2±8.4137.1138.6146.1±11.5152.5±5.7158.8±7.9152.4142.1
L-PFHpSM8PFOS152.0±14.2147.9±9.9147.8±10.3149.2166.3158.8±13.4164.7±9.5173.3±11.6165.6148.5
L-PFOSM8PFOS126.9±63.3170.2±20.4157.4±13.1151.5166.3148.2±23.0161.3±21.8166.6±12.4158.7148.5
L-PFNSM8PFOS159.2±17.9171.1±15.4170.9±14.1167.1166.3115.0±19.0141.0±16.6150.8±12.8135.6148.5
L-PFDSM8PFOS171.0±20.1164.6±21.2160.5±20.1165.4166.3132.7±9.9169.0±8.6163.8±9.1155.2148.5
L-PFDoSM8PFOS185.9±18.8183.0±19.3180.1±17.3183.0166.3169.4±21.8197.0±17.4183.1±20.6183.2148.5
4:2 FTSM2-4:2 FTS87.0±37.7147.8±19.7159.7±16.3131.5154.4306.2±129.4302.4±106.9312.2±104.4306.9283.7
6:2 FTSM2-6:2 FTS162.1±31.5174.0±52.298.9±31.7145.0136.2406.3±106.7419.9±84.3473.3±82.4433.1434.5
8:2 FTSM2-8:2 FTS219.3±53.5163.7±24.0162.3±22.1181.8165.2329.4±96.8336.8±77.9412.1±105.9359.5339.1
10:2 FTSM2-8:2 FTS184.0±59.0177.7±28.2186.4±24.1182.7165.2130.9±71.0222.5±57.9300.7±47.9218.0 339.1
FBSA*M8FOSA*47.3±25.543.2±13.449.5±21.746.7101.9109.7±33.468.9±12.878.1±33.285.5 133.9
FHxSA*M8FOSA*91.4±17.382.6±8.4108.1±17.194.0101.9150.5±38.7106.3±20.7153.4±31.4136.7133.9
FOSA*M8FOSA*114.8±14.9116.6±14.7115.8±13.5115.8101.9142.8±19.6138.7±9.3153.1±15.6144.9133.9
N-MeFOSAAd3-N-MeFOSAA173.9±86.9178.9±33.6149.5±18.0167.4154.3277.9±142.3379.5±98.6345.4±82.5334.3290.6
N-EtFOSAAd5-N-EtFOSAA147.9±69.5172.8±23.3166.1±24.4162.3166.1366.3±191.4414.6±73.2438.6±94.6406.5357.7
N-EtFOSA*d3-N-MeFOSA*20.0±5.128.7±5.945.0±16.931.2 33.3 20.5±8.331.1±8.539.6±15.430.4 30.4
N-MeFOSE*d7-N-MeFOSE*21.9±8.859.7±4.879.6±5.453.753.811.8±5.649.9±5.868.5±4.143.442.4
N-EtFOSE*d9-N-EtFOSE*31.7±9.458.8±5.773.5±7.054.752.86.4±4.239.8±6.755.5±11.833.932.3
FHUEAMFHUEA123.3±13.5137.4±10.4128.3±7.1129.795.6241.1±77.6274.0±63.2281.5±55.9265.5204.9
FOUEAMFOUEA130.4±24.1133.1±16.2131.0±12.0131.5123.4257.1±55.1253.1±51.1257.4±54.5255.9189.3
FDUEAMFDUEA145.7±15.4161.8±18.0162.5±20.0156.7144.0295.6±76.6344.1±66.2376.1±80.3338.6294.3
9Cl-PF3ONSM8PFOS177.0±12.0169.8±9.8166.7±11.3171.2166.3126.3±23.2142.4±19.9153.0±17.3140.6148.5
11Cl-PF3OUdSM8PFOS169.3±18.2167.1±13.1150.4±7.9162.3166.3133.5±12.8157.7±8.2145.4±8.9145.6148.5
OBSM8PFOS127.2±18.0152.8±22.4154.0±19.7144.7166.3135.3±58.8200.9±55.0239.9±56.6192.0148.5
7:3 FTCA*M8FOSA*355.0±162.8116.3±12.0107.0±9.5192.8101.9171.0±83.4123.2±44.8127.9±34.6140.7133.9
PFEESAM3PFBS80.1±20.789.2±17.694.1±12.287.8131.2122.4±8.5128.4±3.8134.8±7.2128.5130.8
HFPO-DAM3HFPO-DA51.6±41.968.7±31.076.4±23.265.657.651.6±13.266.2±11.869.4±7.562.476.3
NaDONAM8PFOA135.1±17.2126.4±10.3123.4±8.3128.3151.0143.6±12.9136.5±5.3129.8±8.6136.6185.8
), ArticleFig(id=1239977442870358233, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=EN, label=Tab.6, caption=

Residue results and detection rate of PFAS in 20 batches of Pheretima

, figureFileSmall=null, figureFileBig=null, tableContent=
化合物简称
(compound abbreviation)
残留量(residue)/(ng·g-1残留量均值
(mean residue)/(ng·g-1)(n=20)
检出率均值
(mean detection rate)/%(n=20)
海南
(Hainan)(n=5)
广东
(Guangdong)(n=5)
广西
(Guangxi)(n=5)
上海
(Shanghai)(n=5)
PFTrDA1.15~2.31(100%)1.15~2.30(100%)1.24~2.50(100%)2.97~3.57(100%)2.09100
PFUdA0.53~1.56(100%)0.16~0.67(100%)0.53~1.16(100%)2.03~3.78(100%)1.26100
PFTeDA0.29~1.00(100%)0.37~0.79(100%)0.26~1.17(100%)0.77~1.64(100%)0.75100
PFDoA0.14~0.40(100%)0.11~0.53(100%)0.20~0.56(100%)1.22~1.74(100%)0.56100
6:2 FTS0.06~0.37(100%)0.06~3.65(100%)0.03~0.72(100%)0.10~1.20(100%)0.51100
L-PFOS0.01~0.20(100%)0.08~0.29(100%)0.08~0.42(100%)0.68~3.28(100%)0.45100
PFBAND~0.82(80%)0.01~0.78(100%)0.01~0.80(100%)0.03~0.62(100%)0.2995
PFOAND~0.05(80%)ND~0.08(60%)ND~0.09(80%)0.50~1.62(100%)0.2880
PFDAND~0.09(80%)0.03~0.06(100%)0.05~0.13(100%)0.54~1.09(100%)0.2595
PFHxDA0.12~0.36(100%)0.09~0.32(100%)0.07~0.44(100%)0.05~0.59(100%)0.23100
PFNAND~0.03(80%)0.03~0.12(100%)0.04~0.07(100%)0.44~0.87(100%)0.2195
9Cl-PF3ONSND~0.03(40%)ND~0.01(40%)ND~0.01(40%)0.14~0.61(100%)0.0955
PFHxAND~0.11(60%)ND~0.08(60%)ND~0.06(60%)ND~0.27(80%)0.0765
PFODAND~0.14(20%)ND~0.04(20%)ND~0.04(20%)ND~0.04(20%)0.0120
11Cl-PF3OUdSND(0%)ND(0%)ND(0%)ND~0.09(80%)0.0120
N-MeFOSAAND(0%)ND~0.13(20%)ND(0%)ND(0%)0.015
7:3 FTCAND(0%)ND(0%)ND(0%)ND~0.08(40%)0.0110
L-PFBSND~0.01(20%)ND~0.01(60%)ND(0%)ND~0.02(20%)ND25
FOSAND~0.01(20%)ND~0.01(20%)ND(0%)ND(0%)ND10
NaDONAND(0%)ND~0.01(20%)ND~0.01(20%)ND(0%)ND10
PFPeAND(0%)ND(0%)ND(0%)ND~0.01(20%)ND5
L-PFHxSND(0%)ND~0.01(20%)ND(0%)ND(0%)ND5
), ArticleFig(id=1239977442958438623, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1239973080789995909, language=CN, label=表6, caption=

20批地龙中PFAS的残留测定结果和检出率

, figureFileSmall=null, figureFileBig=null, tableContent=
化合物简称
(compound abbreviation)
残留量(residue)/(ng·g-1残留量均值
(mean residue)/(ng·g-1)(n=20)
检出率均值
(mean detection rate)/%(n=20)
海南
(Hainan)(n=5)
广东
(Guangdong)(n=5)
广西
(Guangxi)(n=5)
上海
(Shanghai)(n=5)
PFTrDA1.15~2.31(100%)1.15~2.30(100%)1.24~2.50(100%)2.97~3.57(100%)2.09100
PFUdA0.53~1.56(100%)0.16~0.67(100%)0.53~1.16(100%)2.03~3.78(100%)1.26100
PFTeDA0.29~1.00(100%)0.37~0.79(100%)0.26~1.17(100%)0.77~1.64(100%)0.75100
PFDoA0.14~0.40(100%)0.11~0.53(100%)0.20~0.56(100%)1.22~1.74(100%)0.56100
6:2 FTS0.06~0.37(100%)0.06~3.65(100%)0.03~0.72(100%)0.10~1.20(100%)0.51100
L-PFOS0.01~0.20(100%)0.08~0.29(100%)0.08~0.42(100%)0.68~3.28(100%)0.45100
PFBAND~0.82(80%)0.01~0.78(100%)0.01~0.80(100%)0.03~0.62(100%)0.2995
PFOAND~0.05(80%)ND~0.08(60%)ND~0.09(80%)0.50~1.62(100%)0.2880
PFDAND~0.09(80%)0.03~0.06(100%)0.05~0.13(100%)0.54~1.09(100%)0.2595
PFHxDA0.12~0.36(100%)0.09~0.32(100%)0.07~0.44(100%)0.05~0.59(100%)0.23100
PFNAND~0.03(80%)0.03~0.12(100%)0.04~0.07(100%)0.44~0.87(100%)0.2195
9Cl-PF3ONSND~0.03(40%)ND~0.01(40%)ND~0.01(40%)0.14~0.61(100%)0.0955
PFHxAND~0.11(60%)ND~0.08(60%)ND~0.06(60%)ND~0.27(80%)0.0765
PFODAND~0.14(20%)ND~0.04(20%)ND~0.04(20%)ND~0.04(20%)0.0120
11Cl-PF3OUdSND(0%)ND(0%)ND(0%)ND~0.09(80%)0.0120
N-MeFOSAAND(0%)ND~0.13(20%)ND(0%)ND(0%)0.015
7:3 FTCAND(0%)ND(0%)ND(0%)ND~0.08(40%)0.0110
L-PFBSND~0.01(20%)ND~0.01(60%)ND(0%)ND~0.02(20%)ND25
FOSAND~0.01(20%)ND~0.01(20%)ND(0%)ND(0%)ND10
NaDONAND(0%)ND~0.01(20%)ND~0.01(20%)ND(0%)ND10
PFPeAND(0%)ND(0%)ND(0%)ND~0.01(20%)ND5
L-PFHxSND(0%)ND~0.01(20%)ND(0%)ND(0%)ND5
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UPLC-Q Orbitrap MS法同时测定中药材地龙中43个全/多氟烷基类化合物*
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孙晶 1 , 唐丹瑞 1, 2 , 强慧敏 1 , 倪倩 1 , 曹玲 1, 3 , 杭太俊 4, **
药物分析杂志 | 安全监测 2024,44(10): 1756-1771
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药物分析杂志 | 安全监测 2024, 44(10): 1756-1771
UPLC-Q Orbitrap MS法同时测定中药材地龙中43个全/多氟烷基类化合物*
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孙晶1 , 唐丹瑞1, 2, 强慧敏1, 倪倩1, 曹玲1, 3, 杭太俊4, **
作者信息
  • 1.江苏省食品药品监督检验研究院,南京 210019
  • 2.南京中医药大学药学院,南京 210023
  • 3.江苏省药品监督管理局审核查验中心,南京 210019
  • 4.中国药科大学药学院,南京 211198
  • Tel:(025)86251536;E-mail:

通讯作者:

** Tel:(025)83271090;E-mail:
Simultaneous determination of 43 per-and polyfluoroalkyl substances in Chinese medicinal material Pheretima by UPLC-Q Orbitrap MS*
Jing SUN1 , Dan-rui TANG1, 2, Hui-min QIANG1, Qian NI1, Ling CAO1, 3, Tai-jun HANG4, **
Affiliations
  • 1.Jiangsu Provincial Institute of Food and Drug Control, Nanjing 210019, China
  • 2.School of Pharmacy, Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China
  • 3.Jiangsu Provincial Drug Administration Audit and Inspection Center, Nanjing 210019, China
  • 4.School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
出版时间: 2024-10-31 doi: 10.16155/j.0254-1793.2024-0350
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目的:

建立地龙药材中43个痕量多残留全/多氟烷基类化合物(PFAS)的UPLC-Q Orbitrap MS同时测定方法。

方法:

地龙药材,加氯化钠和多种同位素内标,经含0.2%甲酸乙腈超声20 min结合高速振荡10 min提取;冷冻离心,分取上清液,浓缩至约0.5 mL,加含0.05%甲酸的40%甲醇水溶液5 mL,混合均匀;经混合型弱阴离子交换固相萃取柱(6 mL,150 mg)净化;以甲醇和0.5%氨水甲醇各3 mL依次洗脱,收集洗脱液,氮气吹至近干,分别以0.5 mL甲醇复溶,冷冻离心后取上清液,采用超高效液相色谱-四极杆/静电场轨道阱质谱(UPLC-Q Orbitrap MS)法对地龙药材中43个PFAS进行同时测定。色谱-质谱条件:采用ACE EXCEL 2 C18 (150 mm×2.1 mm,2 μm)色谱柱分离,以5 mmol·L-1甲酸铵溶液-乙睛为流动相,梯度洗脱,流速0.3 mL·min-1,柱温35 ℃,进样体积2 μL;电喷雾负离子化四极杆/静电场轨道阱质谱法m/z 100~1 000全扫描检测,提取目标离子内标法定量。

结果:

43个PFAS同时测定,专属性强,线性关系良好(r>0.995),加样回收率在68.3%~121.4%,重复性RSD为3.5%~15.0%,检测限和定量限分别为0.01~0.15 μg·kg-1和0.02~0.5 μg·kg-1。20批地龙样品中,共检出22个PFAS痕量残留。

结论:

建立的地龙药材中43个PFAS痕量残留的UPLC-Q Orbitrap MS同时测定法灵敏准确,适用于地龙和基质相似中药材中PFAS的日常监测,及其质量风险的评估与控制。

地龙  /  全/多氟烷基类化合物  /  新污染物  /  中药  /  超高效液相色谱-四极杆/静电场轨道阱质谱  /  固相萃取  /  6:2氟调磺酸  /  F-53铬雾抑制剂
Objective:

To establish an UPLC-Q Orbitrap MS determination method for multiple residues of exogenous new pollutants,per-and polyfluoroalkyl substances (PFAS),in Pheretima medicinal materials.

Methods:

The samples were extracted with acetonitrile (containing 0.2% formic acid) after adding sodium chloride and 27 isotopes labeled internal standard solutions. Ultrasound treatment was performed for 20 min,followed by high-speed oscillation for 10 min. The extraction solution was subjected to freeze centrifugation,and the supernatant was concentrated to about 0.5 mL. Then,5 mL of 40% methanol (containing 0.05% formic acid) was added and mixed well. Further purified by mixed weak anion exchange solid-phase extraction (6 mL,150 mg), eluted sequentially with 3 mL of methanol and 3 mL of 0.5% ammonia water methanol,and the eluents were collected,respectively. After blowing the eluent nitrogen to near dryness,the residue was redissolved in methanol,and the supernatant was taken for instrumental analysis after freezing and centrifugation. The target and internal PFAS were separated on an ACE EXCEL 2 C18 chromatography column (150 mm×2.1 mm,2 μm),using 5 mmol·L-1 ammonium formate solution and acetonitrile were used as the mobile phase for gradient elution. The flow rat e was set to 0.3 mL·min-1,the column temperature was 35 ℃,and the injection volume was 2 μL. The PFAS were detected by UPLC-Q Orbitrap MS in negative electrospray ionization mode with full scanning monitoring with the scanning range of m/z 100-1 000. Quantification of 43 PFAS using internal standards was performed based on their peak areas in extract ion chromatogram.

Results:

The method had good specificity,with a good linear relationship between the 43 tested indicator components and correlation coefficients greater than 0.995. The recovery rate of all indicators for sample addition was 68.3%-121.4%,the repeatability was 3.5%-15.0%. The detection limits and quantification limits were 0.01-0.15 μg·kg-1 and 0.02-0.5 μg·kg-1. respectively. A total of 22 kinds of PFAS were detected in 20 batches of Pheretima samples.

Conclusion:

The UPLC-Q Orbitrap MS method is sensitive and accurate for simultaneous determination of 43 trace and multiple residual PFAS in Pheretima medicinal materials. It is suitable for daily monitoring of PFAS in Chinese medicinal materials with similar matrices,as well as assessment and control of quality risks.

Pheretima  /  per-and polyfluoroalkyl substances  /  emerging pollutants  /  traditional Chinese medicine  /  UPLC-Q Orbitrap MS  /  solid phase extraction  /  6:2 FTS  /  F-53B chromium fog inhibitor
孙晶, 唐丹瑞, 强慧敏, 倪倩, 曹玲, 杭太俊. UPLC-Q Orbitrap MS法同时测定中药材地龙中43个全/多氟烷基类化合物*. 药物分析杂志, 2024 , 44 (10) : 1756 -1771 . DOI: 10.16155/j.0254-1793.2024-0350
Jing SUN, Dan-rui TANG, Hui-min QIANG, Qian NI, Ling CAO, Tai-jun HANG. Simultaneous determination of 43 per-and polyfluoroalkyl substances in Chinese medicinal material Pheretima by UPLC-Q Orbitrap MS*[J]. Chinese Journal of Pharmaceutical Analysis, 2024 , 44 (10) : 1756 -1771 . DOI: 10.16155/j.0254-1793.2024-0350
中药安全性是中医药防病治病和产业健康发展的基石,中药材中有害物质是影响其安全性的关键因素,已成为全球关注的焦点和研究的热点。外源性有害物质污染是中药材中有害物质来源的重要途径,主要包括农药、重金属、真菌毒素、微生物、二氧化硫、生长调节剂等传统污染物,以及新近发现或被关注的,对生态环境或人体健康产生严重危害的新污染物[1]。对于传统污染物,长期以来,我国中药学者已进行广泛深入的研究,而许多已知会对人体产生严重危害的新污染物,如持久性有机污染物(persistent organic pollutants,POPs)、环境内分泌干扰物等,目前少有研究,其导致中药材质量安全问题亟待引起高度重视[2]。建立中药材中外源性新污染物痕量多残留同时定性定量测定方法,是开展中药材中外源性有害新污染物残留的监测、控制和风险评估,提升中药质量水平,解决中药安全性问题的有效手段和重要途径[3]
全/多氟烷基类化合物(per-and polyfluoroalkyl substances,PFAS)是一类主要来源于人工合成的有机化合物,其碳链上的氢原子全部(per-)或部分(poly-)被氟原子取代[4],从而形成含有全氟烷基部分CnF2n+1-的结构,其中氟化碳链连接有官能团,常见官能团为羧酸根或磺酸根。PFAS因结构中含有的强大的碳-氟键,赋予其抗油、抗水、耐高温和耐化学腐蚀的独特属性,被广泛用于消防泡沫、防污产品、个人护理品、家具厨具的涂层,以及食品包装等各领域产品。在所有同源物中,全氟辛烷磺酸(PFOS)和全氟辛酸(PFOA)已广泛存在于环境中,包括水、土壤、鱼类、哺乳动物和人体。1958年—2015年,PFOS及其前体的直接或间接排放量估计在1 228~4 930吨和1 228~8 740吨[5]
然而,PFAS的环境持久性、生物累积性和生物毒性也引起了人们的担忧[6],因为即使极低剂量的暴露也可能引发甲状腺疾病、生育能力下降、肥胖、哮喘、激素抑制甚至癌症等健康问题[7]。随着人们对PFAS的毒性及环境持久性的认识的深入,全球范围内已出台多项环境管理法规和措施。PFOA、PFOS和全氟己烷磺酸(PFHxS)作为传统PFAS的典型代表,相继被纳入《关于持久性有机污染物的斯德哥尔摩公约》,逐步被淘汰或限制生产和使用。我国生态环境部2023年将PFOA、PFOS和PFHxS列入《重点管控新污染物清单(2023年版)》[8],要求生态环境等部门依法加强对新污染物的管控和治理;2023年4月1日实施的生活饮用水卫生标准(GB 5749-2022)新增PFOA和PFOS的限度指标。然而,PFAS制造商正不断研制新型替代品,如9-氯-3-氧杂全氟壬烷磺酸钾/6:2氯化多氟烷基醚磺酸(9Cl-PF3ONS/6:2 Cl-PFESA,商品名F-53B)、8:2全氟辛基磺酸(8:2 FTS)、对-全氟壬氧基苯磺酸钠(OBS)、全氟丁烷磺酰胺(FBSA)、全氟辛烷磺酰胺(FOSA)等[9],以满足市场需求。
中药源于自然界,在其生长/种植/养殖、加工、炮制、包装/运输/贮存以及服用等过程中,难免受到PFAS污染。目前,尚缺乏中药材中PFAS残留情况和潜在风险评估的系统研究,建立相关分析方法势在必行。目前,PFAS的检测前处理技术主要包括液-液萃取法、固相萃取法、固相微萃取法以及快速、简单、经济、高效、可靠、安全萃取法(QuEChERS)等[10-12];常见检测方法包括气相色谱、液相色谱、离子色谱、色谱质谱联用等[1013-16]。地龙(Pheretima)作为一种典型的动物类中药材,已证实存在持久性有机污染物的污染[17]。本研究针对中药材种类多样且基质复杂,PFAS属于痕量多残留等难点问题,探索建立中药材地龙这一典型的动物类中药材中43个PFAS的样品前处理和同时定性定量仪器分析方法,旨在为PFAS在中药中残留研究和风险评估提供重要技术支持手段。
Vanquish-Orbitrap Exploris 120液相色谱-静电场轨道阱高分辨质谱联用仪(Thermo Fisher Scientific公司);MultiDrive control BT Package多功能破碎仪(IKA公司);2010 Geno/Grinder高通量组织研磨仪(SPEX Sample Prep公司);CentriVap离心浓缩仪(LABCONCO公司);UA22MFD超声清洗仪(WIGGENS公司);ST16R台式低温高速离心机(Thermo Fisher Scientific公司);Milli-Q IQ 7000超纯水系统(Millipore公司)。
Oasis WAX固相萃取小柱(6 mL,150 mg)购自Waters公司;氯化钠(99.9%)、硫酸镁(98.5%~101.5%)购自Agilent公司,乙酸铵(优级纯)、甲酸铵(色谱纯)、无水硫酸钠(农残级)、冰醋酸(色谱纯)、氨水(色谱纯)均购自上海阿拉丁生化科技有限公司;甲醇(色谱纯)购自Honeywell公司;乙腈(色谱纯)购自Fisher公司;异丙醇(色谱纯)购自Supelco公司;甲酸(色谱纯)购自ACS公司;超纯水由Millipore系统制备。
30种PFAS混合对照品:含全氟丁酸(PFBA)、全氟戊酸(PFPeA)、全氟己酸(PFHxA)、全氟庚酸(PFHpA)、PFOA、全氟壬酸(PFNA)、全氟癸酸(PFDA)、全氟十一烷酸(PFUdA)、全氟十二烷酸(PFDoA)、全氟十三烷酸(PFTrDA)、全氟十四烷酸(PFTeDA)、全氟丁基磺酰胺(FBSA)、全氟己基磺酰胺(FHxSA)、全氟辛基磺酰胺(FOSA)、2,3,3,3-四氟-2-(全氟丙氧基)丙酸(HFPO-DA)、N-甲基全氟-1-辛烷磺酰氨基乙酸(N-MeFOSAA)、N-乙基全氟-1-辛烷磺酰氨基乙酸(N-EtFOSAA)、全氟丁基磺酸(PFBS)、全氟戊基磺酸(PFPeS)、全氟己基磺酸(PFHxS)、全氟庚基磺酸(PFHpS)、PFOS、全氟壬基磺酸(PFNS)、全氟癸基磺酸(PFDS)、4:2氟调磺酸(4:2 FTS)、6:2氟调磺酸(6:2 FTS)、8:2氟调磺酸(8:2 FTS)、十二氟-3H-4,8二氧杂环戊酸钠(NaDONA)、9Cl-PF3ONS、11-氯-二十氟-3-氧代十一烷-1-磺酸钾/8:2 Cl-聚氟醚磺酸(11Cl-PF3OUdS/8:2 Cl-PFESA),购自Wellington Laboratories公司。
全氟-1-十二烷基磺酸钠(L-PFDoS)、10:2氟调磺酸(10:2 FTS)、2-(N-甲基全氟-1-辛烷磺酰胺基)乙醇(N-MeFOSE)、2-(N-乙基全氟-1-辛烷磺酸)乙醇(N-EtFOSE)、2H-全氟-2-辛烯酸(6:2)(FHUEA)、2H-全氟-2-癸烯酸(8:2)(FOUEA)、2H-全氟-2-十二碳烯酸(10:2)(FDUEA)、N-乙基全氟-1-辛烷磺酰胺(N-EtFOSA)均购自Wellington Laboratories公司。全氟壬烯氧基苯磺酸钠(OBS)购自CATO公司,7:3氟调聚羧酸(7:3 FTCA)、全氟(2-乙氧基乙烷)磺酸(PFEESA)均购自Accstandard公司。
24种同位素标记的PFAS混合对照品:包含全氟-n-(13C4)正丁酸(MPFBA)、全氟-N-(13C5)戊酸(M5PFPeA)、全氟-N-(1,2,3,4,6-13C5)己酸(M5PFHxA)、全氟-N-(1,2,3,4-13C4)庚酸(M4PFHpA)、全氟-N-(13C8)辛酸(M8PFOA)、全氟-N-(13C9)壬酸(M9PFNA)、全氟-N-(1,2,3,4,5,6-13C6)癸酸(M6PFDA)、全氟-N-(1,2,3,4,5,6,7-13C7)十一酸(M7PFUdA)、全氟-N-(1,2-13C2)十二酸(MPFDoA)、全氟-N-(1,2-13C2)十四酸(M2PFTeDA)、全氟-1-(13C8)辛烷磺酰胺(M8FOSA)、N-甲基-d3-全氟-1-辛烷磺酰胺(d3-N-MeFOSA)、N-乙基-d5-全氟-1-辛烷磺酰胺(d5-N-EtFOSA)、N-甲基-d3-全氟-1-辛烷磺酰氨基乙酸(d3-N-MeFOSAA)、N-乙基-d5-全氟-1-辛烷磺酰氨基乙酸(d5-N-EtFOSAA)、2-(N-甲基-d3-全氟-1-辛基磺酰胺)乙烷-d4-醇(d7-N-MeFOSE)、2-(N-乙基-d5-全氟-1-辛基磺酰胺)乙醇-d4-醇(d9-N-EtFOSE)、2,3,3,3-四氟-2-(1,1,2,2,2,3,3-七氟丙氧基)(13C3)丙酸(M3HFPO-DA)、全氟-1-(2,3,4-13C3)丁烷磺酸钠(M3PFBS)、全氟-1-(1,2,3-13C3)己磺酸钠(M3PFHxS)、全氟-1-(13C8)辛烷磺酸钠(M8PFOS)、1H,1H,2H,2H-全氟(1,2-13C2)己磺酸钠(M2-4:2 FTS)、1H,1H,2H,2H-全氟(1,2-13C2)辛烷磺酸钠(M2-6:2 FTS)、1H,1H,2H,2H-全氟(1,2-13C2)癸烷磺酸钠(M2-8:2 FTS),购自Wellington Laboratories公司。
单标对照品2H-全氟-(1,2-13C2)-2-辛烯酸(MFHUEA)、2H-全氟-(1,2-13C2)-2-癸烯酸(MFOUEA)、2H-全氟-(1,2-13C2)-2-十二碳烯酸(MFDUEA),均购自Wellington Laboratories公司。
20批地龙样品购自安徽亳州药材市场和江苏省中医院,经江苏省食品药品监督检验研究院胡浩彬主任药师鉴定均符合药典规定。
采用ACE EXCEL 2 C18 (150 mm×2.1 mm,2 μm)色谱柱,以5 mmol·L-1甲酸铵溶液(A)-乙腈(B)为流动相,梯度洗脱(0~1 min,10%B;1~1.5 min,10%B→40%B;1.5~4.7 min,40%B→55%B;4.7~8.4 min,55%B→95%B;8.4~13.5 min,95%B;13.5~13.6 min,95%B→10%B;13.55~16 min,10%B),流速0.3 mL·min-1,柱温35 ℃,进样体积2 μL。
加热电喷雾离子源(H-ESI),负离子模式;喷雾电压1 500 V,毛细管温度315 ℃,雾化温度250 ℃,鞘气7.11 L·min-1,辅助气9.36 L·min-1,扫描模式为Full MS,采集范围m/z 100~1 000,分辨率为60 000 FWHM,最大注入时间Auto。数据依赖子离子扫描(Full MS/Intensity/Dynamic Exclusion/Targeted Mass/ddMS2):强度阈值1.0×105;碰撞能量模式:Stepped;HCD碰撞能量:40%、70%、100%;二级分辨率15 000 FWHM,最大注入时间Auto。目标物和内标(IS)的色谱-质谱定性定量信息见表1
精密称取OBS的对照品适量,用甲醇配制成每1 mL含OBS 0.2 μg的单标溶液,即得。
精密量取30种PFAS混合对照品、OBS单标储备液以及L-PFDoS、10:2 FTS、N-MeFOSE、N-EtFOSE、FHUEA、FOUEA、FDUEA、N-EtFOSA、7:3 FTCA和PFEESA的对照品适量,用甲醇稀释制成每1 mL含PFODA和OBS各300 ng,FHUEA、FOUEA和FDUEA各500 ng,其他PFAS各100 ng的混合对照品储备液;精密量取该储备液适量,用乙腈稀释制成每1 mL含PFODA和OBS各0、0.12、0.3、0.6、1.2、3、6、12、30、60 ng,含FHUEA、FOUEA和FDUEA各0.2、0.5、1、2、5、10、20、50、100 ng,其他PFAS各0、0.04、0.1、0.2、0.4、1、2、4、10、20 ng的系列浓度混合溶液,即得。
精密量取24种同位素标记的PFAS混合对照品1 000 μL以及MFHUEA、MFOUEA、MFDUEA的单标对照品各20 μL,置同一25 mL量瓶中,用甲醇稀释至刻度,摇匀,即得。
精密量取系列混合对照品溶液各250 μL,再分别精密加入混合内标溶液20 μL、甲醇230 μL,混匀,即得。
精密量取混合对照品储备液适量,用乙腈稀释制成以PFBA计每1 mL含1.25、5、10和20 ng的低(L)、中1(M1)、中2(M2)、高(H)溶液,即得。
精密称取药材粉末(过3号筛)约1 g,置15 mL聚丙烯离心管中,加入不锈钢珠2粒,加入氯化钠2.0 g,精密加入混合内标溶液20 μL,再加入含0.2%甲酸的乙腈10.0 mL,振摇分散,超声(功率500 W,频率59 kHz)处理20 min,高速振荡(700次·min-1)10 min(每5 min停止20 s),再5 000 r·min-10 ℃离心10 min,取上清液置10 mL聚丙烯离心管中,5 000 r·min-1离心浓缩至约0.5 mL,再加入含0.05%甲酸的40%甲醇水溶液4 mL,混匀,作为提取液,待固相萃取净化。
将提取液全部上样于已活化的WAX固相萃取柱(依次使用0.5%氨水甲醇3 mL、甲醇4 mL,0.5%甲酸溶液4 mL活化),依次使用含0.05%甲酸的10%甲醇水溶液和含0.05%甲酸的50%甲醇水溶液各4 mL淋洗,收集洗脱液Ⅰ,再依次使用甲醇和0.5%氨水甲醇各3 mL洗脱,收集洗脱液Ⅱ,并于40 ℃水浴氮吹近干,分别用甲醇0.5 mL复溶,5 000 r·min-1 0 ℃离心10 min,取上清液即得供试液Ⅰ和Ⅱ。除不加样品外,同法制备流程空白溶液Ⅰ和Ⅱ。
本试验通过色谱质谱系统、试剂、耗材的目标物质残留考察,兼顾目标物质灵敏度、操作简便、试验成本,选择合适的试剂、耗材和试验步骤,液质系统在测定前,使用异丙醇以0.1 mL·min-1冲洗2 h。分别用甲醇、流程空白溶液Ⅰ和Ⅱ、不加内标的地龙供试品溶液Ⅰ和Ⅱ,按“2.1”项下条件进样测定,结果,流程空白溶液和地龙供试品溶液在27种内标PFAS出峰位置均无干扰,甲醇、流程空白溶液Ⅰ和Ⅱ在目标PFAS峰位无干扰,表明方法的专属性良好。
取“2.2.4”项下系列标准曲线溶液,按“2.1”项下条件测定,采用内标法计算,以待测物峰面积与内标峰面积的比值(Y)为纵坐标,待测物的浓度(X)为横坐标,绘制标准曲线。权重系数均选择“1/X”。结果表明,43个目标PFAS均在各自的线性范围内呈良好的线性关系,相关系数在0.997 4~0.999 9,以S/N=3和S/N=10计算方法最低检测限(LLOD)和最低定量限(LLOQ),以取样量为1 g计算检测限(LOD)和定量限(LOQ),具体线性范围、相关系数、LLOD、LLOQ、LOD及LOQ结果见表23
取地龙样品打粉(过3号筛)混匀,称取14份,2份用于检测本底浓度水平,12份分别添加“2.2.5”项的低(L)、中1(M1)、中2(M2)、高(H)共4个不同水平的回收率加标溶液各200 μL,每个浓度3份,分别按“2.2.6”项下方法操作,制备回收率供试品溶液Ⅰ和Ⅱ;同时配制相应浓度的回收率对照溶液,进样测定。以内标法定量计算加标回收率,以加标回收率的RSD评价重复性,取各浓度第一份回收率供试品溶液连续进样6次计算进样精密度,以外标法(各浓度加标回收率供试品溶液中的目标PFAS峰面积与地龙基质本底测定溶液中的相应峰面积之差/相应回收率对照溶液中相应峰面积×100%)计算方法回收率,结果如表4所示。各PFAS的加标回收率(准确度)的均值范围为68.3%~121.4%(n=9或n=12),重复性为3.5%~15.0%(n=9或n=12),进样精密度为0.7%~14.1%(n=6),方法回收率的均值范围为13.0%~255.1%(n=9或n=12)。FBSA、FHxSA、FOSA、N-EtFOSA、N-MeFOSE、N-EtFOSE和7:3 FTCA在供试品溶液Ⅰ中测定,其余PFAS在供试品溶液Ⅱ中测定。建立的方法的准确度与精密度均符合痕量多残留分析技术要求。值得注意的是,氟调磺酸类(如4:2 FTS等)、N-MeFOSAA、N-EtFOSAA和OBS等PFAS的方法回收率>150%,而N-EtFOSA、HFPO-DA等PFAS的方法回收率<50%,尤其是N-MeFOSE和N-EtFOSE平均方法回收率较低,导致其在低(L)浓度加标回收供试品溶液未检出,这与不加地龙基质考察的加标回收率结果差异较大,说明可能存在明显的基质效应,故进一步考察。
称取6批不同来源的地龙样品粉末,每批3份,不加入混合内标溶液,按“2.2.6”项下方法制备供试品溶液。将同一批地龙基质制备的3份供试品溶液Ⅰ和Ⅱ,分别混匀,制得6种地龙基质溶液Ⅰ和Ⅱ。精密量取乙腈及低、中1、高3个不同水平的回收率加标溶液各100 μL,分别置2 mL离心管中,并对应精密加入混合内标溶液0、5、10、20 μL,备用;试剂空白、低(L)、中1(M1)、高(H)4个浓度各14支离心管。向装有的同一浓度溶液被氮气吹干的12支离心管中,分别精密加入某1种地龙基质溶液Ⅰ或Ⅱ 250 μL复溶,涡旋混匀,作为6种地龙基质本底测定溶液和同一浓度12份基质效应考察溶液;向每个浓度均剩余的2份被氮气吹干的离心管中,精密加入甲醇250 μL复溶,涡旋混匀,作为试剂空白和低(L)、中1(M1)、高(H)浓度对照溶液。目标PFAS的基质效应计算方法为在低、中1、高浓度基质效应考察溶液中目标物的峰面积与地龙基质本底测定溶液中目标物的峰面积之差/低、中1、高浓度基质效应对照溶液中目标物的峰面积均值×100%。结果如表5所示:(1)大部分PFAS在地龙基质溶液Ⅰ和Ⅱ中表现出基质增强效应,目标PFAS和内标在地龙基质溶液Ⅰ和Ⅱ的基质效应范围分别是30.4%~434.5%(平均186.0%)和31.2%~252.6%(平均145.3%);(2)不同PFAS在同一溶液中的基质效应存在差异,需要选择合适的内标以消除基质效应的影响;(3)PFAS在地龙基质溶液Ⅱ中的基质效应较地龙基质溶液Ⅰ略低,这表明固相萃取步骤中甲醇的洗脱净化有效降低了基质效应;(4)N-EtFOSA、N-MeFOSE、N-EtFOSE、HFPO-DA和PBSA存在较强的基质抑制效应,6种地龙基质溶液Ⅰ中N-MeFOSE和N-EtFOSE的基质抑制非常严重,且不同浓度的基质效应不恒定,因此,对这些物质的LLOD和LLOQ进行了相应的修正,如表3所示。
应用本方法对20批地龙进行分析检测,对含量介于LLOD和LLOQ之间的样品,以1/2 LLOQ计。结果如表6所示,43个PFAS共检出22个,其中残留量最多,频率最高的为全氟羧酸类,含12~15个碳(包括羧酸C)的PFTrDA、PFUdA、PFTeDA、PFDoA排列前四。此外,全氟磺酸类中主要检出PFOS;多氟烷基类化合物主要测得6:2 FTS和9Cl-PF3ONS为主。海南、广东、广西、上海的∑PFAS范围分别为3.85~5.45、2.46~8.35、3.88~5.63、12.17~18.15 ng·g-1,可见沪地龙PFAS残留相对较高。
本研究考察了不同流动相条件下,PFAS在多种色谱柱上的分离效果。实验采用了多种缓冲溶液作为水相,包括0.05%乙酸溶液、2 mmol·L-1乙酸铵溶液、5 mmol·L-1乙酸铵溶液、2 mmol·L-1甲酸铵溶液、5 mmol·L-1甲酸铵溶液,以及含0.1%乙酸的5 mmol·L-1乙酸铵溶液;有机相则选用了甲醇和乙腈。测试所用色谱柱包括ACE Excel 2 C18(150 mm×2.1 mm,2 μm)、ACE Excel 3 C18(50 mm×2.1 mm,3 μm)、Agilent Poroshell 120(100 mm×2.1 mm,2.7 μm)、WATERS Premier BEH C18(150 mm×2.1 mm,2.5 μm)、WATERS CORTECS C18(150 mm×2.1 mm,2.7 μm)和WATERS ACQUITY BEH C18(100 mm×2.1 mm,1.7 μm)。实验结果表明:在偏酸性条件下,大部分PFAS的保留增强、灵敏度有所提升,但长链PFAS的洗脱存在困难;在中性条件下,ACE Excel 2 C18、Waters BEH C18和Agilent Poroshell 120色谱柱展现出最佳的峰形和检出效果。其中,Agilent Poroshell 120色谱柱的柱压最低,但保留相对较弱,对于保留时间最短的PFBA灵敏度较差;文献中广泛报道了Waters BEH C18色谱柱的PFAS应用,但其柱压相对较高。随着水相中甲酸铵或乙酸铵浓度的提高,弱酸性PFAS(如7:3 FTCA)色谱峰形得到显著改善,但其他PFAS的灵敏度略为降低。在有机相选择的选择上,甲醇相较于乙腈展现出略高的灵敏度,但柱压也相应较高。综合考虑灵敏度、峰形、柱压和耐用性,本研究最终选择5 mmol·L-1甲酸铵溶液和乙腈为流动相,ACE Excel 2 C18(150 mm×2.1 mm,2 μm)为固定相,典型色谱图如图1所示。
本研究对质谱的关键参数进行了优化,以提高PFAS检测的灵敏度和准确性。优化的参数包括喷雾电压(在-0.5~-3.5 kV调节)、雾化温度(设置在250~350 ℃)、鞘气流量(在5.34~7.31 L·min-1调整)以及辅助气流量(在7.85~11.98 L·min-1调整)。试验结果表明,在较低的电压和雾化温度条件下,大多数PFAS的检测灵敏度得到显著提升。
在一级质谱全扫描中,PFAS的主要检测离子表现为[M-H]ˉ形式;然而,N-MeFOSE和N-EtFOSE这2种化合物,基峰离子为分子与流动相中缓冲盐酸根的加和离子,如当流动相中含甲酸或甲酸铵时表现以[M+HCOO]ˉ为主;HFPO-DA检测的优势碎片为源内裂解碎片[M-COOH]-,而其同位素内标M3HFPO-DA的优势碎片为[M-H]ˉ。在二级质谱扫描中,部分PFAS碎裂后的碎片离子较少,往往只能识别出1个子离子,且丰度较低。特别是N-MeFOSE和N-EtFOSE,其二级碎片离子为流动相中缓冲盐的酸根离子,但是在本实验条件下,子离子的扫描范围为包括甲酸根离子(m/z 44.998 2),因此无明显二级碎片,如表1所示。本文采用的一级质谱提取离子定量方法,在灵敏度上优于传统的三重四极杆多反应监测模式。
在痕量污染物测定领域,固相萃取(SPE)和QuEChERS是2种常用的提取净化技术。针对PFAS的测定,WAX或HLB固相萃取柱是常用的选择。QuEChERS方法以其简便高效而受到青睐,常与分散固相萃取(dSPE)联用以去除样品中的共萃取基质。dSPE中常用的吸附剂包括石墨化炭黑(GCB)、N-丙基乙二胺(PSA)、C18以及硫酸镁,这些吸附剂以不同的比例混合使用。
鉴于中药样品的复杂性,基质效应在提取过程中尤为突出,这在中药材的PFAS分析中表现得更为明显。目前,关于中药材中PFAS分析的文献资料相对匮乏,且由于中药材种类繁多,基质复杂,含水量低,与常见的环境基质有较大差异,导致现有的PFAS前处理方案并不适用于中药材。
在本研究的前期实验中,尝试了多种基于QuEChERS结合dSPE的方案,但不同的PFAS的回收率差异显著,优化结果并不理想。特别是对于地龙等富含脂肪和蛋白的动物药材,目标PFAS的回收率几乎为零。HLB固相萃取柱在富集短链PFAS方面表现不佳,对长链PFAS的净化效果也不尽人意。WAX固相萃取柱虽然对含酸性基团的全氟羧酸类、全氟磺酸类和氟调磺酸类PFAS有较好的净化效果,但对醇类、酰胺类、多聚类和酸性较弱的新型PFAS的回收率较低。
在SPE前的提取和盐析步骤中,比较了不同比例的乙腈和水、不同pH的提取溶剂(酸性、中性和碱性)以及不同无机盐(氯化钠、醋酸钠、硫酸镁)的组合。经过一系列的比较和选择,最终确定使用含0.2%甲酸的乙腈溶液作为提取溶剂,氯化钠作为盐析试剂。尽管WAX固相萃取在降低地龙提取液中的基质效应方面表现出色,但对于N-EtFOSA、N-MeFOSE、N-EtFOSE、HFPO-DA和PBSA等PFAS,仍然存在较强的基质效应,需要在定量分析时采用同位素内标辅助。
本研究建立了地龙药材中43个PFAS的提取、净化和同时UPLC-Q Orbitrap MS定性定量的分析方法,填补了中药材中PFAS残留分析的技术空白;采用该法对来自海南、广东、广西和上海的20批地龙样品进行了检测。结果显示,地龙药材中普遍存在多种全氟羧酸类物质、PFOS、6:2 FTS和9Cl-PF3ONS等PFAS残留,从而揭示了地龙药材中PFAS的污染现状,为地龙药材的质量控制提供了技术支持。该法具有高灵敏度、高专属性和高准确性,能够有效地从中药复杂多样基质中提取并准确定量PFAS,为对其他中药材中PFAS进行检测,精准评估中药材中PFAS的污染水平提供了参考可行的技术方案。本研究所获得的PFAS残留数据,为开展中药中PFAS等新污染物的风险评估和制定相关安全标准提供了重要的科学依据,这对于保障中药材的安全性、维护公众健康具有重要意义。
  • *江苏省药品监督管理局科研计划项目(202205)
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doi: 10.16155/j.0254-1793.2024-0350
  • 接收时间:2024-05-24
  • 首发时间:2026-03-15
  • 出版时间:2024-10-31
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*江苏省药品监督管理局科研计划项目(202205)
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    1.江苏省食品药品监督检验研究院,南京 210019
    2.南京中医药大学药学院,南京 210023
    3.江苏省药品监督管理局审核查验中心,南京 210019
    4.中国药科大学药学院,南京 211198

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2种不同金属材料的力学参数

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种数
Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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