Article(id=1217471164390232546, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217471159667446162, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20220352, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1768197345111, onlineDateStr=2026-01-12, pubDate=1695139200000, pubDateStr=2023-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768197345111, onlineIssueDateStr=2026-01-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768197345111, creator=13701087609, updateTime=1768197345111, updator=13701087609, issue=Issue{id=1217471159667446162, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='9', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768197343985, creator=13701087609, updateTime=1768198166685, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1217474610363286283, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217471159667446162, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1217474610363286284, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1217471159667446162, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=51, endPage=54, ext={EN=ArticleExt(id=1217471164675445224, articleId=1217471164390232546, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=A Rapid Quantitative Method for Cr
6+ Content of Automobile Metal Surface Coating, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Cr6+ is widely applied in automotive metal coating and leather, Cr6+ test is an indispensable index for the test of prohibited substances on automobiles. In order to test Cr6+ content in the metal coating of automotive materials, a rapid semi-quantitative detection procedure was established by the test strip method. Compared with ultraviolet method and point test method in QC/T 942—2021 Test Methods of Hexavalent Chromium in Automotive Materials, results of the strip test method are basically consistent with traditional qualitative and quantitative test methods. The advantage of strip test method is that the test can be completed within 5 minutes, far less than that of the traditional method that takes 4 to 8 hours. Meanwhile, operation of the test is simple, which saves large amount of test consumables and reduces waste discharge.
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六价铬广泛存在于汽车金属材料表面涂镀层及皮革之中,六价铬测试是汽车材料禁用物质测试必不可少的一项指标。为了进行汽车金属材料表面涂镀层中六价铬含量的测试,通过试纸法建立了一种快速半定量检测程序。与QC/T 942—2021《汽车材料中六价铬的检测方法》中紫外法、点测试2种测试方法进行了比对试验,本方法的试验结果与传统定性、定量测试方法的试验结果基本一致。本方法的操作过程更为简便,传统方法完成整个试验需要4~8 h,本方法试验完成时间小于5 min,同时节省了大量试验耗材,减少了废弃物排放。
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姜伟男(1985—),男,高级工程师,学士学位,研究方向为汽车检测技术。
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姜伟男(1985—),男,高级工程师,学士学位,研究方向为汽车检测技术。
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金属覆盖层钢铁制件热浸镀锌层技术要求及试验方法: GB/T 13912—2020[S]. 北京: 中国标准出版社,
2020., articleTitle=null, refAbstract=null), Reference(id=1217498969941393967, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217471164390232546, doi=null, pmid=null, pmcid=null, year=2014, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=国家质量监督检验检疫总局, journalName=汽车禁用物质要求: GB/T 30512—2014, refType=null, unstructuredReference=国家质量监督检验检疫总局.
汽车禁用物质要求: GB/T 30512—2014[S]. 北京: 中国标准出版社,
2014., articleTitle=null, refAbstract=null), Reference(id=1217498970029474360, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217471164390232546, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=工业和信息化部, journalName=汽车材料中六价铬的检测方法: QC/T 942—2021, refType=null, unstructuredReference=工业和信息化部.
汽车材料中六价铬的检测方法: QC/T 942—2021[S]. 北京: 中国计划出版社,
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| 色板 | 溶液中六价铬含量定量值/mg·L-1 | 镀层表面六价铬含量定量值/mg·m-2 |
 | 0~0.1 | 0~0.25 |
 | 0.1~0.5 | 0.25~1.25 |
 | 0.5~1.0 | 1.25~2.5 |
 | 1.0~5.0 | 2.5~12.5 |
 | 5.0~10 | 12.5~25 |
 | 10~50 | 25~125 |
 | 50~100 | 125~250 |
 | ≥100 | ≥250 |
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标准含量比色板
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| 色板 | 溶液中六价铬含量定量值/mg·L-1 | 镀层表面六价铬含量定量值/mg·m-2 |
 | 0~0.1 | 0~0.25 |
 | 0.1~0.5 | 0.25~1.25 |
 | 0.5~1.0 | 1.25~2.5 |
 | 1.0~5.0 | 2.5~12.5 |
 | 5.0~10 | 12.5~25 |
 | 10~50 | 25~125 |
 | 50~100 | 125~250 |
 | ≥100 | ≥250 |
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| 序号 | 六价铬含量/mg·L-1 | 吸光度Abs |
| 1 | 0 | 0 |
| 2 | 50 | 0.03 |
| 3 | 100 | 0.06 |
| 4 | 200 | 0.128 |
| 5 | 300 | 0.192 |
| 6 | 400 | 0.255 |
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传统方法校准数据
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| 序号 | 六价铬含量/mg·L-1 | 吸光度Abs |
| 1 | 0 | 0 |
| 2 | 50 | 0.03 |
| 3 | 100 | 0.06 |
| 4 | 200 | 0.128 |
| 5 | 300 | 0.192 |
| 6 | 400 | 0.255 |
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| 样品编号 | 溶液六价铬含量测试结果/mg·L-1 | 试纸六价铬含量测试结果/mg·L-1 |
| 溶液1 | 189.2 | >100 |
| 溶液2 | 8.7 | 5.0~10 |
| 溶液3 | 未检出 | 0~0.1 |
| 溶液4 | 49.3 | 10~50 |
| 溶液5 | 98.9 | >100 |
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本方法与传统方法测试结果对比(溶液)
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| 样品编号 | 溶液六价铬含量测试结果/mg·L-1 | 试纸六价铬含量测试结果/mg·L-1 |
| 溶液1 | 189.2 | >100 |
| 溶液2 | 8.7 | 5.0~10 |
| 溶液3 | 未检出 | 0~0.1 |
| 溶液4 | 49.3 | 10~50 |
| 溶液5 | 98.9 | >100 |
), ArticleFig(id=1217498969484214806, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217471164390232546, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 镀层六价铬含量测试结果/mg·m-2 | 试纸六价铬含量测试结果/mg·m-2 |
| 样品1 | 222.59 | >250 |
| 样品2 | 1 804.68 | >250 |
| 样品3 | 174.96 | 125~250 |
| 样品4 | 16.85 | 10~50 |
| 样品5 | 239.76 | 125~250 |
), ArticleFig(id=1217498969551323675, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1217471164390232546, language=CN, label=表4, caption=
本方法与传统方法测试结果对比(镀层-定量)
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| 样品编号 | 镀层六价铬含量测试结果/mg·m-2 | 试纸六价铬含量测试结果/mg·m-2 |
| 样品1 | 222.59 | >250 |
| 样品2 | 1 804.68 | >250 |
| 样品3 | 174.96 | 125~250 |
| 样品4 | 16.85 | 10~50 |
| 样品5 | 239.76 | 125~250 |
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| 样品编号 | 镀层六价铬含量测试结果 | 试纸六价铬含量测试结果/mg·m-2 |
| 样品6 | 阴性 | <0.25 |
| 样品7 | 阴性 | <0.25 |
| 样品8 | 阴性 | <0.25 |
| 样品9 | 阳性 | 2.5~12.5 |
| 样品10 | 阴性 | <0.25 |
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本方法与传统方法测试结果对比(镀层-定性)
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| 样品编号 | 镀层六价铬含量测试结果 | 试纸六价铬含量测试结果/mg·m-2 |
| 样品6 | 阴性 | <0.25 |
| 样品7 | 阴性 | <0.25 |
| 样品8 | 阴性 | <0.25 |
| 样品9 | 阳性 | 2.5~12.5 |
| 样品10 | 阴性 | <0.25 |
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