Speciation of mercury in soil samples using sequential extraction

被引：0
|
作者：
Zavadská, M
Zemberyová, M
Farkasovská, I
机构：
[1] Comenius Univ, Katedra Analyt Chem, Prirodovedecka Fak, Bratislava 84215, Slovakia
[2] Comenius Univ, Chem Ustav, Prirodovedecka Fak, Bratislava 84215, Slovakia
来源：
CHEMICKE LISTY | 1999年 / 93卷 / 06期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Five-step sequential extraction was applied tospeciation of mercury compounds in soil samples. The content of mercury in soil extracts (with 1 mol.l(-1) CH3COONH4, 1 mol.l(-1) NH2OH.HCI in 25% CH3COOH, 0.1 mol.l(-1) HCl 0.5 mol.l(-1) NaOH, 8 mol.l(-1) HNO3) and in dry residue was determined by single-purpose atomic absorption spectrometry AMA-254. The sum of the contents in soil extracts and in the residue was compared with the certified value of the reference soil material S-VM (eutric cambisols) and the total content of mercury in studied soil samples TT (calcaro-haplic chernozem) and in ZV (stagno-gleyic luvisor). The recovery of sequential extraction for mercury in soil samples was 96-98%.
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页码：391 / 393
页数：3
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