Speciation of arsenic compounds by ion-exchange HPLC-ICP-MS with different nebulizers

被引：43

作者：

Falk, K ^{[1
]}

Emons, H ^{[1
]}

机构：

[1] Forschungszentrum Julich, Inst Appl Phys Chem, D-52425 Julich, Germany

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 2000年 / 15卷 / 06期

关键词：

D O I：

10.1039/b001024n

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

For the purpose of environmental biomonitoring analytical procedures for the sensitive and efficient speciation of the arsenic species As(III), As(V), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), trimethylarsine oxide (TMAO), tetramethylarsonium ion (Tetra), arsenobetaine and arsenocholine have been optimized. The influence of different nebulizers, in particular cross flow and hydraulic high pressure, on the analytical performance and quality parameters such as limit of detection and reproducibility was investigated. LODs in the range of a few pg or even below were achieved. The HPLC-ICP-MS procedures were validated by using reference materials.

引用

页码：643 / 649

页数：7

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