Speciation analysis of arsenic in traditional Chinese medicines by hydride generation-atomic fluorescence spectrometry

被引：14
|
作者：
Yang, LL
Gao, LR
Zhang, DQ [1 ]
机构：
[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China
[2] Hebei Acad Sci, Shijiiazhuang 050081, Peoples R China
来源：
ANALYTICAL SCIENCES | 2003年 / 19卷 / 06期
关键词：
D O I：
10.2116/analsci.19.897
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method has been described for the determination of arsenic species (arsenite and arsenate) by hydride generation-atomic fluorescence spectrometry (HG-AFS). The experimental conditions that influence the fluorescence intensity and the reduction of arsenic were investigated and optimized, and the influences from foreign ions and their elimination were studied. The detection limit was found to be 79.7 ng L-1. The proposed method was applied to the determination of arsenic species in water leachate of traditional Chinese medicines with a recovery range of 91.1 - 109.5%.
引用
收藏
页码：897 / 902
页数：6
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