PHOTOCHEMICAL DEGRADATION OF PARATHION IN AQUEOUS-SOLUTIONS

被引：43

作者：

GAL, E ^{[1
]}

AIRES, P ^{[1
]}

CHAMARRO, E ^{[1
]}

ESPLUGAS, S ^{[1
]}

机构：

[1] UNIV BARCELONA,DEPT INGN QUIM,MARTI FRANQUES 1,E-08028 BARCELONA,SPAIN

来源：

WATER RESEARCH | 1992年 / 26卷 / 07期

关键词：

PHOTOCHEMICAL; DEGRADATION; PESTICIDES; PARATHION;

D O I：

10.1016/0043-1354(92)90196-B

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The photodegradation of O,O'-diethyl O-4-nitrophenyl phosphorothioate (common name parathion or ethyl parathion) in aqueous solutions has been studied by using u.v. radiation at different pH values. According to the experimental results it was observed that the dark reactions were negligible and the reaction rate increased as the pH increased. Finally, assuming a simple mechanism for the parathion photodegradation at initial times, the quantum yield (molecules degraded/photon absorbed) in the wavelength of parathion absorption was determined.

引用

页码：911 / 915

页数：5

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