Article(id=1261728797401952481, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1261728796072358112, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1778749187088, onlineDateStr=2026-05-14, pubDate=1774195200000, pubDateStr=2026-03-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1778749187088, onlineIssueDateStr=2026-05-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1778749187088, creator=13701087609, updateTime=1778749187088, updator=13701087609, issue=Issue{id=1261728796072358112, tenantId=1146029695717560320, journalId=1146119944283992078, year='2026', volume='4', issue='6', pageStart='1', pageEnd='234', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1778749186771, creator=13701087609, updateTime=1778750183088, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1261732975067148479, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1261728796072358112, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1261732975071342784, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1261728796072358112, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=26, endPage=28, ext={CN=ArticleExt(id=1261728798999982310, articleId=1261728797401952481, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=改性淋洗液离子色谱法同时检测水中亚氯酸盐、氯酸盐、溴酸盐含量, columnId=1261728798538608868, journalTitle=实验室检测, columnName=本期专题：有害物质分析与监测, runingTitle=null, highlight=null, articleAbstract=
目的 建立改性淋洗液离子色谱法同时测定亚氯酸盐、溴酸盐、氯酸盐的分析方法。
方法 水样经0.22 μm微孔滤膜过滤后直接进样，经Metrosep A Supp 19-250/4.0分析柱（配套保护柱）分离，以5 mmol/L Na2CO3+0.25 mmol/L NaHCO3+15%乙腈混合溶液为淋洗液，等度洗脱（流速0.70 mL/min），实验进样的体积是100 μL，采用电导检测器检测，依据保留时间来确定组分、利用峰的面积来计算含量。
结果 亚氯酸盐、溴酸盐、氯酸盐在0.005~0.500 mg/L范围内线性关系良好，相关系数（r）均大于0.9994，其中溴酸盐相关系数（r）最高达0.9998，线性拟合效果优异；方法检出限（以3倍信噪比计）分别为：0.84、0.79、0.45 μg/L；重复性实验相对标准偏差（relative standard deviations, RSDs）均小于1.1%（n=9），样品加标回收实验结果显示，回收率区间控制在91%~103%（n=5），符合痕量分析方法的准确度要求。对6个实际样品（3所学校的直饮水、1种自来水和2种市售瓶装矿泉水）检测发现，直饮水和矿泉水中未检查出3种阴离子。自来水未检出溴酸盐，但检出亚氯酸盐和氯酸盐，均符合国家标准限量的要求。
结论 改性淋洗液离子色谱法对直饮水、自来水以及瓶装水的测定情况良好，无需复杂前处理，能够准确同时检测亚氯酸盐、溴酸盐、氯酸盐的含量，检测期间分离度较好，能够满足日常检测要求。
, correspAuthors=曾炫萍, authorNote=null, correspAuthorsNote=
曾炫萍，理化检验主管技师，主要研究方向为食品水质等理化检验。E-mail: 8462172qq.com
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