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Study on Determination of Rare Earth Elements in Tea or Foodstuff
Author(s): 
Pages: 768-769
Year: Issue:  7
Journal: Occupation and Health

Keyword:  稀土元素ICP-MS茶叶粮食;
Abstract: 目的 建立测定茶叶和粮食中稀土元素含量的方法.方法 采用微波消解/等离子体质谱法测定茶叶、粮食中15种稀土元素(Y、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu)含量.结果 对消化条件、测定方法和仪器条件进行了优化,并采用优化后的方法对国家标准物质进行准确度和精密度测试,准确度令人满意,相对标准偏差(RSD)<10%,仪器检出限为0.001~0.02 μg/L...
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