Concentration and speciation of arsenic in shallow groundwater of Datong basin, North China

被引：0
|
作者：
Su Chunli [1 ]
Wang Yanxin [1 ]
Liu Huaiqing [1 ]
Me Xianjun [1 ]
Li Yilian [1 ]
机构：
[1] China Univ Geosci, Minist Educ, Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
来源：
JOURNAL OF CHINA UNIVERSITY OF GEOSCIENCES | 2007年 / 18卷
关键词：
Datong basin; groundwater with rich arsenic; arsenic species; distribution characteristics;
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Endemic arsenic poisoning due to long-term intake of high arsenic groundwater in Datong basin, Shanxi Province has become a serious problem and is typical in China. Distribution characteristics of various arsenic species in groundwater from Datong basin are studied on the basis of selective retention of arsenic species on specific solid-phase cartridges followed by selective elution. The results show that soluble arsenite (As(III)), arsenate (As(V)), monomethylarsonate (MMA), dimethylarsinate (DMA) species and particular arsenic (As(P), d > 0.45 mu m) are 53.13 %, 19.80 %, 18.39 %, 5.31% and 3.36% of the total arsenic respectively. In addition to high content of the total arsenic, the presence of significant proportion of arsenic as As(III) is an important reason leading to serious arseniasis in Datong basin.
引用
收藏
页码：89 / 92
页数：4
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