Article(id=1202984233556996752, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202984226762219866, articleNumber=1009-5438(2022)03-0090-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1647446400000, receivedDateStr=2022-03-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764743391645, onlineDateStr=2025-12-03, pubDate=1656086400000, pubDateStr=2022-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764743391645, onlineIssueDateStr=2025-12-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764743391645, creator=13701087609, updateTime=1764743391645, updator=13701087609, issue=Issue{id=1202984226762219866, tenantId=1146029695717560320, journalId=1185652524569653253, year='2022', volume='48', issue='3', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764743390026, creator=13701087609, updateTime=1764744768237, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202990007461049256, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202984226762219866, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202990007461049257, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1202984226762219866, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=90, endPage=94, ext={EN=ArticleExt(id=1202984233850598048, articleId=1202984233556996752, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Continuous Determination of Zinc, Tin and Lead in Tin Bronze with Complexometric Titration, columnId=1187102804364640261, journalTitle=Science & Technology of Baotou Steel, columnName=Others, runingTitle=null, highlight=null, articleAbstract=
The zinc and copper are separated from lead and tin based on the characteristics that ammonium hydroxide, zinc and copper form complex ions as well as ammonium hydroxide, lead and tin form precipitates. The effects of the acidity of zinc, lead and tin titrated with ethylene diamine tetraacetic acid (EDTA), added quantity of thiourea and ammonium fluoride as well as buffer solution on determination are tested. The test results showed that the pH value of solution acidity was 4.5~5.0 and selectivity of titration was higher when zinc was titrated with EDTA; pH value of solution acidity was 5.0~6.0 when determined lead and tin as well as the colors at titration end point changed sharply. The interference of coexisting ions could be avoided by adding sulfosalicylic acid. The determination range of this method is 0.50%~20%, relative standard deviations of zinc, lead and tin in tin bronze samples are all smaller than 2.0% through analysis as well as adding standard recovery is 97%~103%.
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利用氨水与锌、铜形成络合离子,与铅、锡生成沉淀的特性将锌、铜与铅、锡分离。实验了EDTA滴定锌、铅、锡的酸度、硫脲及氟化铵的加入量及缓冲溶液等对测定的影响,实验结果表明,EDTA滴定锌时,溶液酸度pH值为4.5~5.0时,滴定的选择性较高;测定铅、锡时,溶液酸度pH值为5.0~6.0时,滴定终点颜色变化敏锐,加入磺基水杨酸可以规避共存离子的干扰。本方法的测定范围为0.50%~20%,对锡青铜样品中锌、铅、锡进行分析,其相对标准偏差均小于2.0%,加标回收率在97%~103%之间。
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卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢、铁、合金及原辅材料的分析工作。
, authorsList=卢艳蓉, 王逸飞, 石琳, 周春玲)}, authors=[Author(id=1202984234702041828, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1202984234777539306, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, authorId=1202984234702041828, language=EN, stringName=Yan-rong Lu, firstName=Yan-rong, middleName=null, lastName=Lu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1202984234861425393, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, authorId=1202984234702041828, language=CN, stringName=卢艳蓉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010, bio={"content":"
卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢、铁、合金及原辅材料的分析工作。
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卢艳蓉(1972-),女,内蒙古包头市人,高级工程师,主要从事钢、铁、合金及原辅材料的分析工作。
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2019., articleTitle=null, refAbstract=null), Reference(id=1202984237201847159, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, doi=null, pmid=null, pmcid=null, year=2013, volume=30, issue=4, pageStart=1925, pageEnd=1928, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=汤家华, 程乐华, 吴学敏, journalName=光谱实验室, refType=null, unstructuredReference=汤家华, 程乐华, 吴学敏. 邻苯二酚紫-CPB分光光度法测定铜合金中的锡[J].
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4(2):44-46., articleTitle=光电直读光谱法测定锡青铜中9种杂质元素, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1202984234504909525, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, xref=1, ext=[AuthorCompanyExt(id=1202984234513298134, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, companyId=1202984234504909525, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 元素 | 测定值(质量分数) | 平均值 (质量分数) | SD | RSD |
| Zn | 10.96 | 10.88 | 10.92 | 10.76 | 10.79 | 10.94 | 10.85 | 0.07 | 0.65 |
| 10.85 | 10.82 | 10.76 | 10.82 | 10.88 | |
| Pb | 4.28 | 4.12 | 4.09 | 4.25 | 4.16 | 4.12 | 4.16 | 0.07 | 1.6 |
| 4.17 | 4.08 | 4.11 | 4.19 | 4.21 | |
| Sn | 5.16 | 5.21 | 5.24 | 5.14 | 5.16 | 5.18 | 5.16 | 0.05 | 0.98 |
| 5.22 | 5.07 | 5.17 | 5.14 | 5.11 | |
), ArticleFig(id=1202984236807582570, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, language=CN, label=表1, caption=
精密度试验结果%
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| 元素 | 测定值(质量分数) | 平均值 (质量分数) | SD | RSD |
| Zn | 10.96 | 10.88 | 10.92 | 10.76 | 10.79 | 10.94 | 10.85 | 0.07 | 0.65 |
| 10.85 | 10.82 | 10.76 | 10.82 | 10.88 | |
| Pb | 4.28 | 4.12 | 4.09 | 4.25 | 4.16 | 4.12 | 4.16 | 0.07 | 1.6 |
| 4.17 | 4.08 | 4.11 | 4.19 | 4.21 | |
| Sn | 5.16 | 5.21 | 5.24 | 5.14 | 5.16 | 5.18 | 5.16 | 0.05 | 0.98 |
| 5.22 | 5.07 | 5.17 | 5.14 | 5.11 | |
), ArticleFig(id=1202984236899857261, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 元素 | 认定值 (质量分数) | 测定值 (质量分数) | 加标量 (质量分数) | 测定总量 (质量分数) | 回收率 |
| 材字678 | Zn | 5.25 | 5.31 | 5.00 | 10.38 | 103 |
| Sn | 5.69 | 5.67 | 5.00 | 10.52 | 97 |
| Pb | 3.25 | 3.09 | 5.00 | 8.34 | 102 |
| ZQSn3-12-5 | Zn | 12.32 | 12.13 | 10.00 | 22.39 | 101 |
| Sn | 3.02 | 3.13 | 10.00 | 12.98 | 100 |
| Pb | 5.00 | 5.08 | 10.00 | 15.26 | 102 |
| ZQSn4-4-4 | Zn | 3.11 | 2.97 | 15.00 | 18.15 | 101 |
| Sn | 3.64 | 3.57 | 15.00 | 18.42 | 99 |
| Pb | 3.70 | 3.66 | 15.00 | 18.84 | 101 |
), ArticleFig(id=1202984237008909166, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1202984233556996752, language=CN, label=表2, caption=
准确度和加标回收试验%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品 | 元素 | 认定值 (质量分数) | 测定值 (质量分数) | 加标量 (质量分数) | 测定总量 (质量分数) | 回收率 |
| 材字678 | Zn | 5.25 | 5.31 | 5.00 | 10.38 | 103 |
| Sn | 5.69 | 5.67 | 5.00 | 10.52 | 97 |
| Pb | 3.25 | 3.09 | 5.00 | 8.34 | 102 |
| ZQSn3-12-5 | Zn | 12.32 | 12.13 | 10.00 | 22.39 | 101 |
| Sn | 3.02 | 3.13 | 10.00 | 12.98 | 100 |
| Pb | 5.00 | 5.08 | 10.00 | 15.26 | 102 |
| ZQSn4-4-4 | Zn | 3.11 | 2.97 | 15.00 | 18.15 | 101 |
| Sn | 3.64 | 3.57 | 15.00 | 18.42 | 99 |
| Pb | 3.70 | 3.66 | 15.00 | 18.84 | 101 |
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