A new on-line solid phase extraction high performance liquid chromatography tandem mass spectrometry method to study the sun light photodegradation of mono-chloroanilines in river water

被引：34
作者：
Gosetti, Fabio [1 ]
Chiuminatto, Ugo [2 ]
Zampieri, Davide [1 ]
Mazzucco, Eleonora [1 ]
Marengo, Emilio [1 ]
Gennaro, Maria Carla [1 ]
机构：
[1] Univ Piemonte Orientale, DISAV, I-15121 Alessandria, Italy
[2] AB Sciex, I-20052 Monza, Italy
来源：
JOURNAL OF CHROMATOGRAPHY A | 2010年 / 1217卷 / 20期
关键词：
Chloroanilines; On-line SPE; HPLC-MS/MS; Sun light irradiation; Photodegradation; PHOTOCATALYTIC DEGRADATION; GAS-CHROMATOGRAPHY; AROMATIC-AMINES; PHOTOSENSITIZED DEGRADATION; PHOTOCHEMICAL DEGRADATION; ORGANIC CONTAMINANTS; FENTON OXIDATION; TIO2; PARTICLES; UV-LIGHT; ANILINE;
D O I：
10.1016/j.chroma.2010.02.080
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The study investigates the natural photodegradation pathway of mono-chloroanilines in river waters, with the aim to identify the predominant photoproducts formed. At this purpose a new sensitive on-line SPE HPLC-MS/MS method has been developed with LOQ values equal or lower than the legal threshold concentration levels allowed for mono-chloroanilines in waters. The degradation processes of o-, m- and p-chloroaniline have been investigated subjecting their solutions, prepared both in ultrapure and in river water, to sun light irradiation simulated by a solar box system. The SPE HPLC-MS/MS methodology allowed to evaluate the degradation kinetics, to identify the predominant photodegradation products and to propose the chemical structures. Two photoproducts (aniline and 3-aminophenol), for which standards are available, have also been quantified. (C) 2010 Elsevier B.V. All rights reserved.
引用
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页码：3427 / 3434
页数：8
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