Article(id=1147999688214700402, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, articleNumber=1000-8063(2025)01-0071-07, orderNo=null, doi=10.13426/j.cnki.yky.2024.05.04, 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=1751634054472, onlineDateStr=2025-07-04, pubDate=1739980800000, pubDateStr=2025-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751634054472, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751634054472, creator=13701087609, updateTime=1751634054472, updator=13701087609, issue=Issue{id=1147999683156370319, tenantId=1146029695717560320, journalId=1146123346816638986, year='2025', volume='44', issue='1', pageStart='1', pageEnd='150', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751634053267, creator=13701087609, updateTime=1759123824852, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1179414062141158321, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1179414062141158322, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999683156370319, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=71, endPage=77, ext={EN=ArticleExt(id=1147999688449581447, articleId=1147999688214700402, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Application of 5-Br-PADAP Colorimetric Method in the Determination of Low Content Uranium in High Iron and High Nitrate Solutions, columnId=1175805041752556213, journalTitle=Uranium Mining and Metallurgy, columnName=MINING AND HYDROMETALLURGY, runingTitle=null, highlight=null, articleAbstract=
This article studies the pretreatment methods of solutions with high iron content, high nitrate content, and low uranium content. The results show that under the pretreatment conditions of using 4% TOPO cyclohexane solution as the extractant, a volume ratio of organic phase to water phase of 1:6, an extraction time of 2 minutes, an extraction temperature of 25℃, and a mixed complexing agent as the counter extractant, the extraction efficiency reached 99.0%, and the counter extraction efficiency was 99.0%. The 5-Br-PADAP colorimetric method can accurately determine the uranium content in the pretreated solution after extraction reverse extraction of high iron, high nitrate, and low uranium content solutions. The relative standard deviation of this method is less than 8.11%, the recovery rate of spiking is 96.0%~99.5%, and the detection limit of this method is 0.013 mg/L.
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曹欣然(1989—),女,北京人,硕士,工程师,主要研究方向为辐射环境监测。
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1 Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1179340367838196219, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, authorId=1179340367708172792, language=CN, stringName=曹欣然, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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曹欣然(1989—),女,北京人,硕士,工程师,主要研究方向为辐射环境监测。
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2 Agriculture and Rural Bureau of Anguo, Baoding 071200, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1179340368018551296, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, authorId=1179340367892722173, language=CN, stringName=程晨, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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低品位铀矿石中铀的测定三辛基氧膦(TOPO)萃取2-(5-溴-2-吡啶偶氮)-5-二乙基苯酚(Br-PADAP)分光光度法:EJ 267.4—1984[S]. 北京: 中华人民共和国核工业部,1984., articleTitle=null, refAbstract=null)], funds=[Fund(id=1179340371529183792, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, awardId=null, language=CN, fundingSource=核工业北京化工冶金研究院院长基金, fundOrder=null, country=null)], companyList=[AuthorCompany(id=1179340367527817712, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, xref=1, ext=[AuthorCompanyExt(id=1179340367536206321, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, companyId=1179340367527817712, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China), AuthorCompanyExt(id=1179340367544594930, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, companyId=1179340367527817712, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 核工业北京化工冶金研究院, 北京 101149)]), AuthorCompany(id=1179340367607509491, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, xref=2, ext=[AuthorCompanyExt(id=1179340367615898100, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, companyId=1179340367607509491, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Agriculture and Rural Bureau of Anguo, Baoding 071200, China), AuthorCompanyExt(id=1179340367624286709, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, companyId=1179340367607509491, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 安国市农业农村局, 河北 保定 071200)])], figs=[ArticleFig(id=1179340369285231124, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Fig. 1, caption=
Work curve of the method, figureFileSmall=KBdA12Hu7b0yr/MW/XF2lA==, figureFileBig=uromitHklEMzM/dQCp6w0Q==, tableContent=null), ArticleFig(id=1179340369339757077, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=图1, caption=
方法工作曲线, figureFileSmall=KBdA12Hu7b0yr/MW/XF2lA==, figureFileBig=uromitHklEMzM/dQCp6w0Q==, tableContent=null), ArticleFig(id=1179340369419448854, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Fig. 2, caption=
Acidity curve of extraction, figureFileSmall=df+862/O4f18oPUilfNAyg==, figureFileBig=9AeGFkbzn1mIUMB85ZxyCA==, tableContent=null), ArticleFig(id=1179340369486557719, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=图2, caption=
萃取酸度曲线, figureFileSmall=df+862/O4f18oPUilfNAyg==, figureFileBig=9AeGFkbzn1mIUMB85ZxyCA==, tableContent=null), ArticleFig(id=1179340369545277976, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 1, caption=
Influence of extraction agent on uranium extraction rate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 移取的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
TBP(30%)- 煤油溶液 | 10.0 | 1.41 | 14.1 |
4% TOPO- 环己烷溶液 | 10.0 | 9.92 | 99.2 |
4% TRPO- 环己烷溶液 | 10.0 | 9.48 | 94.8 |
), ArticleFig(id=1179340369629164057, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表1, caption=
萃取剂对铀萃取率的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 移取的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
TBP(30%)- 煤油溶液 | 10.0 | 1.41 | 14.1 |
4% TOPO- 环己烷溶液 | 10.0 | 9.92 | 99.2 |
4% TRPO- 环己烷溶液 | 10.0 | 9.48 | 94.8 |
), ArticleFig(id=1179340369763381786, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 2, caption=
Influence of aqueous phase to organic phase on uranium extraction rate
, figureFileSmall=null, figureFileBig=null, tableContent=
V(有机相)∶ V(水相) | 萃余液中铀的 质量/μg | 萃取铀的 质量/μg | 铀萃取 率/% |
| 1∶1 | 0.05 | 9.95 | 99.5 |
| 1∶2 | 0.06 | 9.94 | 99.4 |
| 1∶4 | 0.06 | 9.94 | 99.4 |
| 1∶6 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340369864045084, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表2, caption=
萃取相比对铀萃取率的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
V(有机相)∶ V(水相) | 萃余液中铀的 质量/μg | 萃取铀的 质量/μg | 铀萃取 率/% |
| 1∶1 | 0.05 | 9.95 | 99.5 |
| 1∶2 | 0.06 | 9.94 | 99.4 |
| 1∶4 | 0.06 | 9.94 | 99.4 |
| 1∶6 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340369960514078, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 3, caption=
Influence of extraction time on uranium extraction rate
, figureFileSmall=null, figureFileBig=null, tableContent=
萃取 时间/min | 萃余液中的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
| 0.5 | 1.90 | 8.10 | 81.0 |
| 1.0 | 0.53 | 9.47 | 94.7 |
| 2.0 | 0.06 | 9.94 | 99.4 |
| 3.0 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340370044400160, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表3, caption=
萃取时间对铀萃取率的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
萃取 时间/min | 萃余液中的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
| 0.5 | 1.90 | 8.10 | 81.0 |
| 1.0 | 0.53 | 9.47 | 94.7 |
| 2.0 | 0.06 | 9.94 | 99.4 |
| 3.0 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340370119897634, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 4, caption=
Influence of extraction temperature on uranium extraction rate
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萃取 温度/℃ | 萃余液中的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
| 10 | 2.74 | 7.26 | 72.6 |
| 20 | 0.14 | 9.86 | 98.6 |
| 25 | 0.06 | 9.94 | 99.4 |
| 30 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340370249921059, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表4, caption=
萃取温度对铀萃取率的影响
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萃取 温度/℃ | 萃余液中的铀 质量/μg | 萃取的铀 质量/μg | 铀萃取 率/% |
| 10 | 2.74 | 7.26 | 72.6 |
| 20 | 0.14 | 9.86 | 98.6 |
| 25 | 0.06 | 9.94 | 99.4 |
| 30 | 0.06 | 9.94 | 99.4 |
), ArticleFig(id=1179340370304447012, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 5, caption=
Selection experiment of reverse extractant
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| 反萃取剂 | 测定的铀质量/μg | 铀反萃取率/% |
| 1% Na2CO3 | 6.41 | 64.1 |
| H2O | 5.20 | 52.0 |
| 混合配合剂 | 9.94 | 99.4 |
), ArticleFig(id=1179340370379944485, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表5, caption=
反萃取剂的选取试验
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| 反萃取剂 | 测定的铀质量/μg | 铀反萃取率/% |
| 1% Na2CO3 | 6.41 | 64.1 |
| H2O | 5.20 | 52.0 |
| 混合配合剂 | 9.94 | 99.4 |
), ArticleFig(id=1179340370459636262, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 6, caption=
Influence of interfering ions on uranium concentration
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| 样品名称 | 加入的铀质量 浓度/(mg/L) | 测定铀的质量 浓度/(mg/L) | 偏差/% |
| 5 mL模拟溶液1 | 0.10 | 0.098 | -2.00 |
| 10 mL模拟溶液1 | 0.10 | 0.099 | -1.00 |
| 15 mL模拟溶液1 | 0.10 | 0.080 | -20.0 |
), ArticleFig(id=1179340370539328039, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表6, caption=
干扰离子对铀浓度的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品名称 | 加入的铀质量 浓度/(mg/L) | 测定铀的质量 浓度/(mg/L) | 偏差/% |
| 5 mL模拟溶液1 | 0.10 | 0.098 | -2.00 |
| 10 mL模拟溶液1 | 0.10 | 0.099 | -1.00 |
| 15 mL模拟溶液1 | 0.10 | 0.080 | -20.0 |
), ArticleFig(id=1179340370719683112, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 7, caption=
Allowable amount of interfering ions
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| 元素 | Fe/mg | $\mathrm{N}{\mathrm{O}}_{3}^{-}$/g | Ni/mg | Pb/mg | Cr/mg | Al/mg |
| 数值 | 274 | 4.10 | 2.55 | 6.66 | 18.8 | 37.6 |
), ArticleFig(id=1179340370795180585, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表7, caption=
干扰离子的允许量
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| 元素 | Fe/mg | $\mathrm{N}{\mathrm{O}}_{3}^{-}$/g | Ni/mg | Pb/mg | Cr/mg | Al/mg |
| 数值 | 274 | 4.10 | 2.55 | 6.66 | 18.8 | 37.6 |
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Sample validation test
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| 样品 | 铀质量浓度测定结果/(mg/L) | 相对 误差/% |
| 萃取-反萃取-比色法 | ICP-MS法 |
| HA | 0.98 | 1.01 | 3.02 |
| H916 | 5.05 | 4.98 | 1.40 |
), ArticleFig(id=1179340371072004651, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表8, caption=
样品验证试验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 铀质量浓度测定结果/(mg/L) | 相对 误差/% |
| 萃取-反萃取-比色法 | ICP-MS法 |
| HA | 0.98 | 1.01 | 3.02 |
| H916 | 5.05 | 4.98 | 1.40 |
), ArticleFig(id=1179340371139113516, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 9, caption=
Precision test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 铀质量浓度定/(mg/L) | 相对标准 偏差/% |
| 测定结果 | 平均值 |
| H1119P2 | 1.00, 0.98, 1.05, 1.10, 1.15, 0.92 | 1.03 | 8.11 |
| H1119P1 | 4.56, 4.48, 4.40, 4.58, 4.23, 4.56 | 4.47 | 2.97 |
| H11115 | 19.9, 20.6, 19.8, 20.0, 19.5, 19.8 | 19.9 | 1.84 |
), ArticleFig(id=1179340371222999597, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表9, caption=
精密度试验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 铀质量浓度定/(mg/L) | 相对标准 偏差/% |
| 测定结果 | 平均值 |
| H1119P2 | 1.00, 0.98, 1.05, 1.10, 1.15, 0.92 | 1.03 | 8.11 |
| H1119P1 | 4.56, 4.48, 4.40, 4.58, 4.23, 4.56 | 4.47 | 2.97 |
| H11115 | 19.9, 20.6, 19.8, 20.0, 19.5, 19.8 | 19.9 | 1.84 |
), ArticleFig(id=1179340371332051502, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=EN, label=Table 10, caption=
Accuracy test
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| 样品名称 | 铀质量测定 结果/μg | 回收率/% |
| H1119P2(1 mL) | 1.03 | |
| H1119P2(1 mL)+1 μg铀 | 1.99 | 96.0 |
| H1119P1(1 mL) | 4.47 | |
| H1119P1(1 mL)+5 μg铀 | 9.44 | 99.4 |
| H1115(0.5 mL) | 9.95 | |
| H1115(0.5 mL)+10 μg铀 | 19.90 | 99.5 |
), ArticleFig(id=1179340371394966063, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999688214700402, language=CN, label=表10, caption=
准确度试验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品名称 | 铀质量测定 结果/μg | 回收率/% |
| H1119P2(1 mL) | 1.03 | |
| H1119P2(1 mL)+1 μg铀 | 1.99 | 96.0 |
| H1119P1(1 mL) | 4.47 | |
| H1119P1(1 mL)+5 μg铀 | 9.44 | 99.4 |
| H1115(0.5 mL) | 9.95 | |
| H1115(0.5 mL)+10 μg铀 | 19.90 | 99.5 |
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