Photodegradation of butylparaben in aqueous solutions by 254 nm irradiation

被引：45

作者：

Bledzka, Dorota ^{[1
]}

Gryglik, Dorota ^{[2
]}

Miller, Jacek S. ^{[1
]}

机构：

[1] Tech Univ Lodz, Fac Proc & Environm Engn, PL-90924 Lodz, Poland

[2] Tech Univ Lodz, Fac Civil Engn Architecture & Environm Engn, PL-90924 Lodz, Poland

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2009年 / 203卷 / 2-3期

关键词：

Estrogenic compounds; Butylparaben; Photolysis; Quantum yield; ENDOCRINE DISRUPTING COMPOUNDS; DRINKING-WATER; PHARMACEUTICALS; UV; PARABENS; PRODUCTS; IDENTIFICATION; DEGRADATION; ENVIRONMENT; PHOTOLYSIS;

D O I：

10.1016/j.jphotochem.2009.01.006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

Photolytic degradation of the endocrine disruptor butylparaben in a(aqueous media upon 254 rum irradition has been investigated. The influence of photon fluence rate, initial butylparaben concentration and pH of reaction Solution oil reaction rate was Studied. The effect of additives: t-butanol-hydroxyl radical scavenger, humic acids and nitrate ions-constituents of natural surface water. oil reaction course was also determined. Bioassays for toxicity and COD and TOC measurements of photolysed Solutions Were performed as well. The quantum yield of butylparaben decay in neutral aqueous Solution was established to be 0.0033 +/- 0.0004. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：131 / 136

页数：6

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