Article(id=1217845638092476905, tenantId=1146029695717560320, journalId=1149652044408987649, issueId=1217845635080962613, articleNumber=null, orderNo=null, doi=10.19812/j.cnki.jfsq11-5956/ts.20250526003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1748188800000, receivedDateStr=2025-05-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1768286626599, onlineDateStr=2026-01-13, pubDate=1756051200000, pubDateStr=2025-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768286626599, onlineIssueDateStr=2026-01-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768286626599, creator=13701087609, updateTime=1768286626599, updator=13701087609, issue=Issue{id=1217845635080962613, tenantId=1146029695717560320, journalId=1149652044408987649, year='2025', volume='16', issue='16', pageStart='1', pageEnd='324', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1768286625881, creator=13701087609, updateTime=1768287480278, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1217849218753024879, tenantId=1146029695717560320, journalId=1149652044408987649, issueId=1217845635080962613, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1217849218753024880, tenantId=1146029695717560320, journalId=1149652044408987649, issueId=1217845635080962613, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=10, endPage=20, ext={EN=ArticleExt(id=1217845638482547181, articleId=1217845638092476905, tenantId=1146029695717560320, journalId=1149652044408987649, language=EN, title=Simultaneous determination of 18 kinds of polychlorinated biphenyls in pork by isotope dilution-gas chromatography-high resolution magnetic mass spectrometry, columnId=1151895322692776479, journalTitle=Journal of Food Safety & Quality, columnName=Special Topic: Analysis and Monitoring of Toxic and Harmful Substances in Food, runingTitle=null, highlight=null, articleAbstract=
Objective To develop a method for the simultaneous determination of 18 kinds of polychlorinated biphenyls (PCBs) in pork by isotope dilution-gas chromatography-high resolution magnetic mass spectrometry. Methods The optimal conditions of the accelerated solvent extractor and fully automated clean-up apparatus were determined by optimizing the extraction rate of the target substances using an accelerated solvent extractor and a fully automated clean-up instrument combined with isotope dilution method coupled with gas chromatography-high resolution magnetic mass spectrometry. A 4-factor, 3-level orthogonal test was designed using the extraction temperature, static extraction time and the number of cycles as the main factors to investigate the effect of the accelerated solvent extractor on the extraction rate of the fat content of the samples. The effects of the accelerated solvent extractor on the extraction rate of fat content of the samples were investigated. Results The linear relationships of the indicator PCBs (PCB28, PCBB52, PCB101, PCB118, PCB138, PCB153, PCB180) was good in the range of 0.5 to 200.0 pg/µL, and the linear range of the DL-PCBs (PCB77, PCB81, PCB105, PCB114, PCB123, PCB126, PCB156, PCB157, PCB167, PCB169, PCB189) had a good linear relationship in the range of 0.10 to 40.0 pg/µL, the correlation coefficients were all above 0.999. The limits of detection were in the range of 0.001-0.004 pg/g, and the limits of quantitation were in the range of 0.004-0.012 pg/g; the accuracy and precision of the fishmeal matrix standard reference material were tested by this study, and the PCBs levels were within the range with the relative standard deviations of 1.0%-7.5%. For the determination of actual samples of pork, and the contamination levels of PCBs in 18 kinds of were 1978.9-2530.8 pg/g fat. Conclusion This study is efficient, accurate, sensitive and suitable for the determination of 18 kinds of PCBs in pork.
, correspAuthors=Xiao LIU, Yan ZHOU, 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-Li FAN, Xiao-Fang LIU, Wen-Cheng CAO, Qing-Yun CHENG, Hai-Chuan CHEN, Sheng WEN, Xiao LIU, Yan ZHOU), CN=ArticleExt(id=1217845641728938549, articleId=1217845638092476905, tenantId=1146029695717560320, journalId=1149652044408987649, language=CN, title=同位素稀释-气相色谱-高分辨磁质谱法同时测定猪肉中18种多氯联苯, columnId=1151923892102197877, journalTitle=食品安全质量检测学报, columnName=专题:食品中有毒有害物质分析与监测, runingTitle=null, highlight=null, articleAbstract=
目的 建立同位素稀释-气相色谱-高分辨磁质谱法同时测定猪肉中18种多氯联苯(polychlorinated biphenyls, PCBs)的方法。方法 采用加速溶剂萃取仪和全自动净化仪结合同位素稀释法联合气相色谱-高分辨磁质谱法, 通过对目标物提取率的优化确定加速溶剂萃取仪和全自动净化仪的最佳条件, 并采用萃取温度、静态萃取时间和循环次数为主要的因素设计4因素3水平的正交试验, 探讨加速溶剂萃取仪对样品脂肪含量提取率的影响。结果 在0.5~200.0 pg/µL的范围内, 指示性PCBs (PCB28、PCB52、PCB101、PCB118、PCB138、PCB153、PCB180)的线性关系良好; 在0.10~40.0 pg/µL的范围内, 二噁英样PCBs (PCB77、PCB81、PCB105、PCB114、PCB123、PCB126、PCB156、PCB157、PCB167、PCB169、PCB189)的线性关系良好, 相关系数均在0.999以上, 检出限为0.001~0.004 pg/g, 定量限为0.004~0.012 pg/g。采用本研究对鱼粉基质标准参考物质进行准确度和精密度测试, 18种PCBs的含量均在参考值范围内, 相对标准偏差为1.0%~7.5%。实际猪肉样品中18种PCBs的测定值为1978.9~2530.8 pg/g脂肪。结论 本研究高效、准确、灵敏度高, 适合猪肉中18种PCBs的测定。
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1 Hubei Provincial Center for Disease Control and Prevention, Wuhan 430079, China
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1 湖北省疾病预防控制中心, 武汉 430079
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樊景丽(1994—), 女, 硕士, 研究实习员, 主要研究方向为食品科学。E-mail: 2499274587@qq.com
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樊景丽(1994—), 女, 硕士, 研究实习员, 主要研究方向为食品科学。E-mail: 2499274587@qq.com
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萃取温度与∑18 PCBs平均回收率关系曲线图, figureFileSmall=yFqXAurGX314sshBt/sgFA==, figureFileBig=M0pxreUpw2fQcZfRNYo1YA==, tableContent=null), ArticleFig(id=1217884683182985444, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.3, caption=
Static extraction time and recovery rate relationship curve diagram, figureFileSmall=OIzjzW8AZ5ljNVkeD9rY7g==, figureFileBig=vXoiEO0ULfDihs/Rg178eg==, tableContent=null), ArticleFig(id=1217884683245900005, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图3, caption=
静态萃取时间与回收率关系曲线图, figureFileSmall=OIzjzW8AZ5ljNVkeD9rY7g==, figureFileBig=vXoiEO0ULfDihs/Rg178eg==, tableContent=null), ArticleFig(id=1217884683317203174, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.4, caption=
Static extraction time and average recovery rate of ∑18 PCBs relationship curve diagram, figureFileSmall=KeFICvJqEC4CnbPn73DtDw==, figureFileBig=Ae0gJmqHvjZS4z51u1g6og==, tableContent=null), ArticleFig(id=1217884683380117735, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图4, caption=
静态萃取时间与∑18 PCBs平均回收率关系曲线图, figureFileSmall=KeFICvJqEC4CnbPn73DtDw==, figureFileBig=Ae0gJmqHvjZS4z51u1g6og==, tableContent=null), ArticleFig(id=1217884683438837992, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.5, caption=
Number of extraction cycles and recovery rate relationship curve diagram, figureFileSmall=qHtkrIky/wyiXLa6mUDegw==, figureFileBig=WZN98SaL5g2KofxJDoIyFg==, tableContent=null), ArticleFig(id=1217884683493363945, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图5, caption=
萃取循环次数与回收率关系曲线图, figureFileSmall=qHtkrIky/wyiXLa6mUDegw==, figureFileBig=WZN98SaL5g2KofxJDoIyFg==, tableContent=null), ArticleFig(id=1217884683556278506, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.6, caption=
Number of extraction cycles and average recovery rate of ∑18 PCBs relationship curve diagram, figureFileSmall=2M9zFeHq+pehs0ucscm9bw==, figureFileBig=hCiGpbmN0jatGD0ZR5URPA==, tableContent=null), ArticleFig(id=1217884683619193067, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图6, caption=
萃取循环次数与∑18 PCBs平均回收率关系曲线图, figureFileSmall=2M9zFeHq+pehs0ucscm9bw==, figureFileBig=hCiGpbmN0jatGD0ZR5URPA==, tableContent=null), ArticleFig(id=1217884683682107628, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.7, caption=
e Elution solvent ratio and recovery rate relationship curve diagram, figureFileSmall=LvqISjfiZ8sIUVP3/pHviA==, figureFileBig=y99kk5ajy7Z/GN8Nn6zr4Q==, tableContent=null), ArticleFig(id=1217884683745022189, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图7, caption=
洗脱溶剂配比与回收率关系曲线图 注: 1. 正己烷(100%); 2. (正己烷/二氯甲烷)4:1; 3. (正己烷/二氯甲烷)1:1; 4. (正己烷/二氯甲烷)1:4; 5. 二氯甲烷(100%)。
, figureFileSmall=LvqISjfiZ8sIUVP3/pHviA==, figureFileBig=y99kk5ajy7Z/GN8Nn6zr4Q==, tableContent=null), ArticleFig(id=1217884683803742446, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.8, caption=
Elution solvent volume and recovery rate relationship curve diagram, figureFileSmall=Sed9Oumx9l4TzZ8SWabjoA==, figureFileBig=u2OQWfqm6r2e9D4i426J4w==, tableContent=null), ArticleFig(id=1217884683858268399, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图8, caption=
洗脱溶剂体积与回收率关系曲线图, figureFileSmall=Sed9Oumx9l4TzZ8SWabjoA==, figureFileBig=u2OQWfqm6r2e9D4i426J4w==, tableContent=null), ArticleFig(id=1217884685120753904, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Fig.9, caption=
Total ion flow chromatogram of the standard series of CS4s, figureFileSmall=rtlQoTubmv7oYmyPe5Bhkg==, figureFileBig=0N6Wh9X+1+6E0q2TZK6mmQ==, tableContent=null), ArticleFig(id=1217884685183668465, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=图9, caption=
标准系列的CS4的总离子流色谱图, figureFileSmall=rtlQoTubmv7oYmyPe5Bhkg==, figureFileBig=0N6Wh9X+1+6E0q2TZK6mmQ==, tableContent=null), ArticleFig(id=1217884685242388722, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 1, caption=
Mass spectrometry parameters of PCBs
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时间窗口及目标物 | 化合物 | 保留时间 | 元素组成1 (m/z) | 精确质量数1 (m/z) | 元素组成2 (m/z) | 精确质量数2 (m/z) |
| 窗口1 | PCB28 | 31.90 | C12H735Cl3 | 255.9613 (M) | C12H535Cl237Cl | 257.9584 (M+2) |
| PCB52 | 34.30 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB77 | 42.73 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB81 | 43.61 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB101 | 40.51 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB105 | 47.04 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB114 | 45.90 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB118 | 45.15 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB123 | 44.86 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB126 | 49.45 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB138 | 48.55 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB153 | 46.56 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB156 | 52.25 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB157 | 52.41 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB167 | 50.62 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB169 | 54.95 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB180 | 53.24 | C12H335Cl437Cl | 393.8025 (M+2) | C12H335Cl537Cl2 | 395.7995 (M+4) |
| PCB189 | 57.60 | C12H335Cl437Cl | 393.8025 (M+2) | C12H335Cl537Cl2 | 395.7995 (M+4) |
), ArticleFig(id=1217884685338857715, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表1, caption=
PCBs的质谱分析参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时间窗口及目标物 | 化合物 | 保留时间 | 元素组成1 (m/z) | 精确质量数1 (m/z) | 元素组成2 (m/z) | 精确质量数2 (m/z) |
| 窗口1 | PCB28 | 31.90 | C12H735Cl3 | 255.9613 (M) | C12H535Cl237Cl | 257.9584 (M+2) |
| PCB52 | 34.30 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB77 | 42.73 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB81 | 43.61 | C12H635Cl4 | 289.9224 (M) | C12H635Cl337Cl | 291.9194 (M+2) |
| PCB101 | 40.51 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB105 | 47.04 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB114 | 45.90 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB118 | 45.15 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB123 | 44.86 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB126 | 49.45 | C12H535Cl437Cl | 325.8804 (M+2) | C12H535Cl337Cl2 | 327.8775 (M+4) |
| PCB138 | 48.55 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB153 | 46.56 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB156 | 52.25 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB157 | 52.41 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB167 | 50.62 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB169 | 54.95 | C12H435Cl537Cl | 359.8415 (M+2) | C12H435Cl437Cl2 | 361.8385 (M+4) |
| PCB180 | 53.24 | C12H335Cl437Cl | 393.8025 (M+2) | C12H335Cl537Cl2 | 395.7995 (M+4) |
| PCB189 | 57.60 | C12H335Cl437Cl | 393.8025 (M+2) | C12H335Cl537Cl2 | 395.7995 (M+4) |
), ArticleFig(id=1217884685405966580, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 2, caption=
Factors and level design of orthogonal test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | A: 萃取温度 /ºC | B: 静态萃取时间 /min | C: 循环次数 | D: 空白组 |
| 1 | 120 | 4 | 2 | 1 |
| 2 | 130 | 6 | 3 | 2 |
| 3 | 140 | 8 | 4 | 3 |
), ArticleFig(id=1217884685473075445, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表2, caption=
正交试验因素与水平设计表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | A: 萃取温度 /ºC | B: 静态萃取时间 /min | C: 循环次数 | D: 空白组 |
| 1 | 120 | 4 | 2 | 1 |
| 2 | 130 | 6 | 3 | 2 |
| 3 | 140 | 8 | 4 | 3 |
), ArticleFig(id=1217884685544378614, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 3, caption=
ASE orthogonal test results analysis table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | A: 萃取 温度/ºC | B: 静态萃取时间/min | C: 循环 次数 | D: 空白组 | 脂肪含量/% |
| 1 | 1 | 1 | 1 | 1 | 22.53 |
| 2 | 1 | 2 | 2 | 2 | 22.33 |
| 3 | 1 | 3 | 3 | 3 | 23.95 |
| 4 | 2 | 1 | 2 | 3 | 23.41 |
| 5 | 2 | 2 | 3 | 1 | 23.82 |
| 6 | 2 | 3 | 1 | 2 | 23.72 |
| 7 | 3 | 1 | 3 | 2 | 23.78 |
| 8 | 3 | 2 | 1 | 3 | 23.09 |
| 9 | 3 | 3 | 2 | 1 | 24.04 |
| K1 | 68.81 | 69.72 | 69.34 | 70.39 | |
| K2 | 70.95 | 69.24 | 69.78 | 69.83 | |
| K3 | 70.91 | 71.71 | 71.55 | 70.45 | |
| k1 | 22.94 | 23.24 | 23.11 | 23.46 | |
| k2 | 23.65 | 23.08 | 23.26 | 23.28 | |
| k3 | 23.64 | 23.90 | 23.85 | 23.48 | |
| 最佳方案 | A2B3C3 | | | |
), ArticleFig(id=1217884685615681783, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表3, caption=
ASE正交试验结果分析表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平 | A: 萃取 温度/ºC | B: 静态萃取时间/min | C: 循环 次数 | D: 空白组 | 脂肪含量/% |
| 1 | 1 | 1 | 1 | 1 | 22.53 |
| 2 | 1 | 2 | 2 | 2 | 22.33 |
| 3 | 1 | 3 | 3 | 3 | 23.95 |
| 4 | 2 | 1 | 2 | 3 | 23.41 |
| 5 | 2 | 2 | 3 | 1 | 23.82 |
| 6 | 2 | 3 | 1 | 2 | 23.72 |
| 7 | 3 | 1 | 3 | 2 | 23.78 |
| 8 | 3 | 2 | 1 | 3 | 23.09 |
| 9 | 3 | 3 | 2 | 1 | 24.04 |
| K1 | 68.81 | 69.72 | 69.34 | 70.39 | |
| K2 | 70.95 | 69.24 | 69.78 | 69.83 | |
| K3 | 70.91 | 71.71 | 71.55 | 70.45 | |
| k1 | 22.94 | 23.24 | 23.11 | 23.46 | |
| k2 | 23.65 | 23.08 | 23.26 | 23.28 | |
| k3 | 23.64 | 23.90 | 23.85 | 23.48 | |
| 最佳方案 | A2B3C3 | | | |
), ArticleFig(id=1217884685682790648, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 4, caption=
Analysis of variance table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方差来源 | 离差 平方和 | 自由度 | 均方 | F |
| A | 0.999 | 2 | 0.500 | 12.815 |
| B | 1.143 | 2 | 0.572 | 14.668 |
| C | 0.912 | 2 | 0.456 | 11.703 |
| D(误差) | 0.078 | 2 | 0.039 | |
), ArticleFig(id=1217884685749899513, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表4, caption=
方差分析表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方差来源 | 离差 平方和 | 自由度 | 均方 | F |
| A | 0.999 | 2 | 0.500 | 12.815 |
| B | 1.143 | 2 | 0.572 | 14.668 |
| C | 0.912 | 2 | 0.456 | 11.703 |
| D(误差) | 0.078 | 2 | 0.039 | |
), ArticleFig(id=1217884685808619770, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 5, caption=
Linear equations, correlation coefficients, limits of detection and limits of quantitation of PCBs standard solutions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 线性范围 /(pg/µL) | 回归方程 | 相关 系数 | 检出限/(pg/g) | 定量限/(pg/g) |
| PCB77 | 0.1~40.0 | Y=0.093X+0.020 | 0.9996 | 0.002 | 0.007 |
| PCB81 | 0.1~40.0 | Y=0.100X+0.017 | 0.9998 | 0.002 | 0.007 |
| PCB105 | 0.1~40.0 | Y=0.095X+0.032 | 0.9991 | 0.002 | 0.008 |
| PCB114 | 0.1~40.0 | Y=0.110X+0.011 | 0.9999 | 0.002 | 0.008 |
| PCB118 | 0.5~200.0 | Y=0.103X+0.066 | 0.9998 | 0.002 | 0.008 |
| PCB123 | 0.1~40.0 | Y=0.099X+0.010 | 0.9999 | 0.002 | 0.008 |
| PCB126 | 0.1~40.0 | Y=0.106X+0.011 | 0.9999 | 0.003 | 0.009 |
| PCB156 | 0.1~40.0 | Y=0.102X+0.012 | 0.9998 | 0.002 | 0.008 |
| PCB157 | 0.1~40.0 | Y=0.100X+0.012 | 0.9999 | 0.002 | 0.008 |
| PCB167 | 0.1~40.0 | Y=0.103X+0.014 | 0.9998 | 0.002 | 0.008 |
| PCB169 | 0.1~40.0 | Y=0.097X+0.010 | 0.9999 | 0.003 | 0.011 |
| PCB189 | 0.1~40.0 | Y=0.102X+0.014 | 0.9998 | 0.002 | 0.006 |
| PCB28 | 0.5~200.0 | Y=0.102X+0.179 | 0.9991 | 0.001 | 0.004 |
| PCB52 | 0.5~200.0 | Y=0.100X+0.093 | 0.9998 | 0.002 | 0.007 |
| PCB101 | 0.5~200.0 | Y=0.108X+0.034 | 0.9999 | 0.003 | 0.010 |
| PCB138 | 0.5~200.0 | Y=0.103X+0.031 | 0.9999 | 0.004 | 0.012 |
| PCB153 | 0.5~200.0 | Y=0.108X+0.026 | 0.9999 | 0.003 | 0.010 |
| PCB180 | 0.5~200.0 | Y=0.107X+0.063 | 0.9998 | 0.002 | 0.006 |
), ArticleFig(id=1217884685879922939, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表5, caption=
PCBs标准溶液的线性方程、相关系数、检出限及定量限
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 线性范围 /(pg/µL) | 回归方程 | 相关 系数 | 检出限/(pg/g) | 定量限/(pg/g) |
| PCB77 | 0.1~40.0 | Y=0.093X+0.020 | 0.9996 | 0.002 | 0.007 |
| PCB81 | 0.1~40.0 | Y=0.100X+0.017 | 0.9998 | 0.002 | 0.007 |
| PCB105 | 0.1~40.0 | Y=0.095X+0.032 | 0.9991 | 0.002 | 0.008 |
| PCB114 | 0.1~40.0 | Y=0.110X+0.011 | 0.9999 | 0.002 | 0.008 |
| PCB118 | 0.5~200.0 | Y=0.103X+0.066 | 0.9998 | 0.002 | 0.008 |
| PCB123 | 0.1~40.0 | Y=0.099X+0.010 | 0.9999 | 0.002 | 0.008 |
| PCB126 | 0.1~40.0 | Y=0.106X+0.011 | 0.9999 | 0.003 | 0.009 |
| PCB156 | 0.1~40.0 | Y=0.102X+0.012 | 0.9998 | 0.002 | 0.008 |
| PCB157 | 0.1~40.0 | Y=0.100X+0.012 | 0.9999 | 0.002 | 0.008 |
| PCB167 | 0.1~40.0 | Y=0.103X+0.014 | 0.9998 | 0.002 | 0.008 |
| PCB169 | 0.1~40.0 | Y=0.097X+0.010 | 0.9999 | 0.003 | 0.011 |
| PCB189 | 0.1~40.0 | Y=0.102X+0.014 | 0.9998 | 0.002 | 0.006 |
| PCB28 | 0.5~200.0 | Y=0.102X+0.179 | 0.9991 | 0.001 | 0.004 |
| PCB52 | 0.5~200.0 | Y=0.100X+0.093 | 0.9998 | 0.002 | 0.007 |
| PCB101 | 0.5~200.0 | Y=0.108X+0.034 | 0.9999 | 0.003 | 0.010 |
| PCB138 | 0.5~200.0 | Y=0.103X+0.031 | 0.9999 | 0.004 | 0.012 |
| PCB153 | 0.5~200.0 | Y=0.108X+0.026 | 0.9999 | 0.003 | 0.010 |
| PCB180 | 0.5~200.0 | Y=0.107X+0.063 | 0.9998 | 0.002 | 0.006 |
), ArticleFig(id=1217884685955420412, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 6, caption=
Accuracy and precision testing of quality control sample WMF-02
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 参考值/(pg/g) | WMF-02/(pg/g) | 测定值/(pg/g) | RSDs/% |
| 1 | 2 | 3 | 4 |
| PCB77 | 132±5 | 132.618 | 136.079 | 129.981 | 130.669 | 132.337 | 2.1 |
| PCB81 | 9.44±0.57 | 9.044 | 10.006 | 9.456 | 9.750 | 9.564 | 7.5 |
| PCB105 | 8560±250 | 8758.343 | 8485.762 | 8592.994 | 8728.039 | 8641.285 | 1.5 |
| PCB114 | 548±16 | 552.356 | 540.019 | 544.081 | 543.720 | 545.044 | 1.0 |
| PCB118 | 22600±800 | 23294.790 | 23272.580 | 22897.881 | 22257.180 | 22930.608 | 2.1 |
| PCB123 | 431±25 | 437.878 | 440.524 | 437.749 | 422.507 | 434.665 | 1.9 |
| PCB126 | 146±6 | 146.843 | 150.043 | 147.772 | 146.162 | 147.705 | 1.2 |
| PCB156 | 3460±140 | 3546.716 | 3424.964 | 3488.775 | 3430.292 | 3472.687 | 1.7 |
| PCB157 | 953±65 | 957.161 | 996.807 | 1001.801 | 997.946 | 988.429 | 2.1 |
| PCB167 | 1810±70 | 1752.634 | 1793.656 | 1769.597 | 1801.176 | 1779.266 | 1.3 |
| PCB169 | 47.2±2.8 | 46.684 | 46.185 | 49.962 | 49.353 | 48.046 | 3.9 |
| PCB189 | 497±12 | 500.434 | 494.706 | 498.667 | 485.240 | 494.762 | 1.4 |
| PCB28 | 3730±380 | 3455.966 | 3396.823 | 3408.898 | 3651.346 | 3478.258 | 3.4 |
| PCB52 | 2470±200 | 2624.980 | 2381.668 | 2425.478 | 2457.989 | 2472.529 | 4.3 |
| PCB101 | 6650±590 | 6802.046 | 6994.777 | 7154.277 | 6727.564 | 6919.666 | 2.8 |
| PCB138 | 47500±2900 | 46592.545 | 45428.339 | 45656.953 | 45025.185 | 45675.756 | 1.5 |
| PCB153 | 69500±3300 | 69463.883 | 68213.913 | 66629.682 | 66739.709 | 67761.797 | 2.0 |
| PCB180 | 23900±1200 | 24785.540 | 24997.531 | 24717.241 | 24342.859 | 24710.793 | 1.1 |
), ArticleFig(id=1217884686030917885, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表6, caption=
质控样品WMF-02的准确度和精密度测试
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 参考值/(pg/g) | WMF-02/(pg/g) | 测定值/(pg/g) | RSDs/% |
| 1 | 2 | 3 | 4 |
| PCB77 | 132±5 | 132.618 | 136.079 | 129.981 | 130.669 | 132.337 | 2.1 |
| PCB81 | 9.44±0.57 | 9.044 | 10.006 | 9.456 | 9.750 | 9.564 | 7.5 |
| PCB105 | 8560±250 | 8758.343 | 8485.762 | 8592.994 | 8728.039 | 8641.285 | 1.5 |
| PCB114 | 548±16 | 552.356 | 540.019 | 544.081 | 543.720 | 545.044 | 1.0 |
| PCB118 | 22600±800 | 23294.790 | 23272.580 | 22897.881 | 22257.180 | 22930.608 | 2.1 |
| PCB123 | 431±25 | 437.878 | 440.524 | 437.749 | 422.507 | 434.665 | 1.9 |
| PCB126 | 146±6 | 146.843 | 150.043 | 147.772 | 146.162 | 147.705 | 1.2 |
| PCB156 | 3460±140 | 3546.716 | 3424.964 | 3488.775 | 3430.292 | 3472.687 | 1.7 |
| PCB157 | 953±65 | 957.161 | 996.807 | 1001.801 | 997.946 | 988.429 | 2.1 |
| PCB167 | 1810±70 | 1752.634 | 1793.656 | 1769.597 | 1801.176 | 1779.266 | 1.3 |
| PCB169 | 47.2±2.8 | 46.684 | 46.185 | 49.962 | 49.353 | 48.046 | 3.9 |
| PCB189 | 497±12 | 500.434 | 494.706 | 498.667 | 485.240 | 494.762 | 1.4 |
| PCB28 | 3730±380 | 3455.966 | 3396.823 | 3408.898 | 3651.346 | 3478.258 | 3.4 |
| PCB52 | 2470±200 | 2624.980 | 2381.668 | 2425.478 | 2457.989 | 2472.529 | 4.3 |
| PCB101 | 6650±590 | 6802.046 | 6994.777 | 7154.277 | 6727.564 | 6919.666 | 2.8 |
| PCB138 | 47500±2900 | 46592.545 | 45428.339 | 45656.953 | 45025.185 | 45675.756 | 1.5 |
| PCB153 | 69500±3300 | 69463.883 | 68213.913 | 66629.682 | 66739.709 | 67761.797 | 2.0 |
| PCB180 | 23900±1200 | 24785.540 | 24997.531 | 24717.241 | 24342.859 | 24710.793 | 1.1 |
), ArticleFig(id=1217884686106415358, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=EN, label=Table 7, caption=
Concentration levels of 18 kinds of PCBs in pork samples (pg/g fat, n=6)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 污染水平 |
| 1 | 2 | 3 | 4 | 5 | 6 |
| PCB77 | 138.5 | 180.7 | 126.1 | 180.2 | 185.6 | 176.1 |
| PCB81 | 128.1 | 171.7 | 122.5 | 170.3 | 170.3 | 168.0 |
| PCB105 | 85.1 | 110.6 | 87.8 | 103.0 | 99.2 | 108.0 |
| PCB114 | 79.2 | 102.2 | 80.1 | 95.2 | 91.8 | 101.3 |
| PCB118 | 85.8 | 107.1 | 84.8 | 101.2 | 96.5 | 105.9 |
| PCB123 | 89.3 | 115.6 | 91.2 | 108.1 | 105.1 | 115.3 |
| PCB126 | 70.0 | 89.2 | 72.1 | 83.1 | 79.1 | 88.0 |
| PCB156 | 50.3 | 63.9 | 47.3 | 61.2 | 52.0 | 64.7 |
| PCB157 | 51.4 | 64.2 | 48.3 | 63.9 | 52.8 | 66.4 |
| PCB167 | 45.7 | 56.6 | 44.1 | 54.8 | 46.9 | 57.3 |
| PCB169 | 102.2 | 80.3 | 98.1 | 78.5 | 84.8 | 80.8 |
| PCB189 | 50.1 | 66.2 | 55.0 | 69.6 | 62.4 | 70.7 |
| PCB28 | 306.5 | 404.1 | 323.5 | 381.0 | 391.5 | 405.5 |
| PCB52 | 327.5 | 400.8 | 301.9 | 398.1 | 455.8 | 387.7 |
| PCB101 | 144.3 | 180.1 | 141.5 | 168.7 | 167.6 | 175.2 |
| PCB138 | 93.6 | 118.6 | 88.2 | 114.2 | 94.9 | 119.4 |
| PCB153 | 110.9 | 143.4 | 105.7 | 137.5 | 112.9 | 137.5 |
| PCB180 | 54.3 | 75.5 | 60.7 | 83.4 | 70.2 | 85.0 |
| ∑18PCBs | 2012.8 | 2530.8 | 1978.9 | 2452.0 | 2419.4 | 2512.8 |
), ArticleFig(id=1217884686190301439, tenantId=1146029695717560320, journalId=1149652044408987649, articleId=1217845638092476905, language=CN, label=表7, caption=
18种PCBs在猪肉中的浓度水平(pg/g脂肪, n=6)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 化合物 | 污染水平 |
| 1 | 2 | 3 | 4 | 5 | 6 |
| PCB77 | 138.5 | 180.7 | 126.1 | 180.2 | 185.6 | 176.1 |
| PCB81 | 128.1 | 171.7 | 122.5 | 170.3 | 170.3 | 168.0 |
| PCB105 | 85.1 | 110.6 | 87.8 | 103.0 | 99.2 | 108.0 |
| PCB114 | 79.2 | 102.2 | 80.1 | 95.2 | 91.8 | 101.3 |
| PCB118 | 85.8 | 107.1 | 84.8 | 101.2 | 96.5 | 105.9 |
| PCB123 | 89.3 | 115.6 | 91.2 | 108.1 | 105.1 | 115.3 |
| PCB126 | 70.0 | 89.2 | 72.1 | 83.1 | 79.1 | 88.0 |
| PCB156 | 50.3 | 63.9 | 47.3 | 61.2 | 52.0 | 64.7 |
| PCB157 | 51.4 | 64.2 | 48.3 | 63.9 | 52.8 | 66.4 |
| PCB167 | 45.7 | 56.6 | 44.1 | 54.8 | 46.9 | 57.3 |
| PCB169 | 102.2 | 80.3 | 98.1 | 78.5 | 84.8 | 80.8 |
| PCB189 | 50.1 | 66.2 | 55.0 | 69.6 | 62.4 | 70.7 |
| PCB28 | 306.5 | 404.1 | 323.5 | 381.0 | 391.5 | 405.5 |
| PCB52 | 327.5 | 400.8 | 301.9 | 398.1 | 455.8 | 387.7 |
| PCB101 | 144.3 | 180.1 | 141.5 | 168.7 | 167.6 | 175.2 |
| PCB138 | 93.6 | 118.6 | 88.2 | 114.2 | 94.9 | 119.4 |
| PCB153 | 110.9 | 143.4 | 105.7 | 137.5 | 112.9 | 137.5 |
| PCB180 | 54.3 | 75.5 | 60.7 | 83.4 | 70.2 | 85.0 |
| ∑18PCBs | 2012.8 | 2530.8 | 1978.9 | 2452.0 | 2419.4 | 2512.8 |
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