Speciation of dimethylarsinic acid and monomethylarsonic acid by gas chromatography mass spectrometry

被引：21

作者：

Mester, Z

Vitányi, G

Morabito, R

Fodor, P

机构：

[1] Univ Hort & Food Ind, Dept Chem & Biochem, H-1114 Budapest, Hungary

[2] ENEA, Dept Environm Chem, Rome, Italy

来源：

JOURNAL OF CHROMATOGRAPHY A | 1999年 / 832卷 / 1-2期

关键词：

speciation; dimethylarsinic acid; monomethylarsonic acid; organoarsenic compounds; thioglycol methylate;

D O I：

10.1016/S0021-9673(98)01011-5

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A GC-MS method has been developed to determine two methylated arsenic species in human urine samples. This GC-MS method was compared with high-performance liquid chromatography-hydride generation-atomic fluorescence spectrometry. The yield of derivatisation for dimethylarsinic acid (DMA) and monomethylarsonic acid (MMA) using thioglycol methylate was measured. The detection limits for DMA and MMA using this GC-MS method are 0.95 and 0.8 ng/cm(3), respectively. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

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页码：183 / 190

页数：8

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