土壤中毒性元素As的形态分析及其测定
Chinese Journal of Analysis Laboratory(2007)
Abstract
运用氢化物发生-原子荧光光谱法(HG-AFS)测定土壤中的As(Ⅲ)、As(Ⅴ)的浸提、萃取分离条件,以及HG-AFS测定As(Ⅲ)、As(Ⅴ)的最佳条件。该方法的线性范围为:1.0~100μg/L,相对标准偏差为:As(Ⅲ):3.2%~9.5%、As(Ⅴ):4.3%~5.2%;回收率为:As(Ⅲ):104%、As(Ⅴ):92%。
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Key words
Arsenic,HG-AFS,Speciation analysis
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