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同时测定尿中7种金属元素的电感耦合等离子体质谱法的研究 被引量:3

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摘要 建立电感耦合等离子体质谱法(ICP-MS)同时测定尿中钒(V)、铬(Cr)、钴(Co)、砷(As)、镉(Cd)、铊(Tl)、铅(Pb)的方法。应用1.0%的硝酸直接稀释样品20倍,ICP-MS直接测定尿中V、Cr、Co、As、Cd、Tl、Pb。试验结果显示,该方法的线性相关系数〉0.999 5,检出限:V为0.30μg/L,Cr为0.40μg/L,Co为0.08μg/L,As为0.52μg/L,Cd为0.06μg/L,Pb为1.24μg/L,Tl为0.28μg/L;各元素的回收率为88.2%~109.0%,相对标准偏差为1.45%~7.16%,尿样在4℃和-8℃冰箱中保存7d。提示,该分析方法灵敏、简便、准确,可同时测定尿中尿中V、Cr、Co、As、Cd、Tl、Pb。
作者 何健飞 赖婧
出处 《工业卫生与职业病》 CAS 2016年第6期460-462,共3页 Industrial Health and Occupational Diseases
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