DEGRADATIVE MECHANISM OF CHLORPYRIFOS BY METAL-IONS

被引:0
|
作者
TANAKA, M
IIJIMA, T
HIGAKI, M
机构
来源
MOKUZAI GAKKAISHI | 1994年 / 40卷 / 11期
关键词
CHLORPYRIFOS; HYDROLYSIS; DECHLORINATION; FE2+;
D O I
暂无
中图分类号
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号
0805 ; 080502 ; 0822 ;
摘要
We identified degradation products of chrolpyrifos with Cu2+ and Fe2+ in aqueous solutions. From all the data obtained, the results and the discussion could be summarized as follows: 1) Chlorpyrifos was hydrolysed to diethylphosphorothioate and 3,5,6-trichrolo-2-pyridinol by Cu2+. 2) Chrolpyrifos degradation by Fe2+ involved two different mechanisms. In the first step, chrolpyrifos was hydrolysed to diethylphosphorothioate and 3,5,6-trichrolo-2-pyridinol, and in the second step, 3,5,6-trichrolo-2-pyridinol was dechlorinated by Fe2+ to 2-pyridinol.
引用
收藏
页码:1259 / 1266
页数:8
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