河北省易县居民饮用水中碘、氟和砷含量调查

·3146·中国卫生检验杂志2014年11月第24卷第21期ChinJHealthLabTee，Nov2014，Vol24，No21·调查报告·河北省易县居民饮用水中碘、氟和砷含量调查杨艳亮，张进国，张保宗，王凤敏，史丽，张红杰1．易县妇幼保健院，河北易县074299；2．易县疾病预防控制中心，河北易县074299；3．石家庄人民医学高等专科学校，河北石家庄050091；4．易县医院，河北易县074299摘要：目的了解易县居民饮用水中碘、氟和砷含量，为地方病防治提供依据。方法按《河北省居民生活饮用水水碘、水氟、水砷分布调查方案》开展调查，调查范围为全县27个乡镇，以行政村为单位，对集中供水的村，每个调查村随机抽取并采集1份末梢水。对分散式供水的村，如水源少于5个的村，全部采样检测。如水源多于5个的村，按东、西、南、北、中5个方位随机抽取5户居民饮用水水样。水中碘检测采用碘饷砷铈催化分光光度法测定(WS／T107—2006)，水中氟和砷检测采用生活饮用水标准检验方法(GB／T5750．5—2006)测定。结果全县共检测水样1024份，居民饮用水中碘含量为(2．22±1．49)g／L，氟含量为(0．26±0．12)mg／L，砷含量为(0．002±0．001)ms／L。结论易县为碘缺乏地区，不容易出现地方性氟中毒流行，不会出现地方性砷中毒病区，今后地方病防治工作重点仍是碘缺乏病。关键词：饮用水；碘；氟；砷；调查中图分类号：R123．1文献标识码：B文章编号：1004—8685(2014)21—3146—03SurveyoncontentsofiodineandfluorineandarsenicindrinkingwaterofresidentsinYicountyofHebeiprovinceYANGYah—liang，ZHANGJin—guo，ZHANGBao—zong，WANGFeng—min，SHILi，ZHANGHong—jieY／CountyHealthofWomenandChildrenHohpital，YiCounty074299，ChinaAbstract：ObjectiveToinvestigatethecontentsofiodine，fluorineandarsenicindrinkingwaterinYicountyandtoprovideescientificbasisforthepreventionofendemicdiseases．MethodsAccordingtothepress“Fluoride．iodineandarsenicdistri—butionsurveyprograminHebeiprovinceresidentsdrinkingwaterofHebeiprovincefluoride，iodine，arsenicdistributionsurveyprogram”，thewatersamplesfromthecountys27townshipswerecollected，takeanadministrativevillageasaunit．Onesam—pieofdrinkingwaterwasrandomlycollectedfromeveryvillagewithcentralizedwatersupply．Forviiiageswithdecentralizedwa-tersupply，takefivesamplesofdrinkingwaterrandomlyaccordingtodirections(east，west，south，northandcentre)ifthereweremorethanfivewatersourcesinthevillage：buttakesamplesfroma11thewaterSOUl~e8iftherewerelessthanfivewaterSOUrCes，allthewatersamplesshouldbecollected．Wateriodinecontentsweredeterminedwitharsenicceriumcatalyticspectro—photometricmethod．Fluorinecontentandarseniccontentsweredeterminedwithdrinkingwaterstandardtestmethods．ResultsTheresidentsdrinkingwateriodinecontentswere2．22±1．49g／L，waterfluoridecontentswere0．26±0．12mg／L，andarseniccontentswere0．002±0．001mg／L