Identification and monitoring of thiabendazole transformation products in water during Fenton degradation by LC-QTOF-MS

被引：42

作者：

Sirtori, Carla ^{[1
]}

Agueera, Ana ^{[2
,3
]}

Carra, Irene ^{[3
,4
]}

Sanchez Perez, Jose A. ^{[3
,4
]}

机构：

[1] Univ Fed Rio Grande do Sul, Inst Quim, Bairro Agron, BR-91509900 Porto Alegre, RS, Brazil

[2] Univ Almeria, Dept Chem & Phys, Almeria 04120, Spain

[3] Joint Ctr Univ Almeria CIEMAT, CIESOL, Almeria 04120, Spain

[4] Univ Almeria, Dept Chem Engn, Almeria 04120, Spain

来源：

ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2014年 / 406卷 / 22期

关键词：

Thiabendazole; Fenton; Transformation products; LC-QTOF-MS/MS; ADVANCED OXIDATION PROCESSES; EMERGING CONTAMINANTS; PHOTO-FENTON; PHOTODEGRADATION; SULFAMETHOXAZOLE; PESTICIDES; EFFLUENTS; KINETICS;

D O I：

10.1007/s00216-014-7942-1

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

This work enabled the identification of major transformation products (TPs) of thiabendazole (TBZ) during the Fenton process. TBZ is a benzimidazole fungicide widely used around the world to prevent and/or treat a wide range of fruit and vegetable pathogens. The degradation of the parent molecule and the identification of the main TPs were carried out in demineralized water. The TPs were monitored and identified by liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF-MS/MS). Up to 12 TPs were tentatively identified. Most of them were eliminated after 15 min of treatment time and originated from numerous hydroxylations undergone by the aromatic ring during the initial stages of the process.

引用

页码：5323 / 5337

页数：15

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