Speciation of arsenic in natural waters by HPLC-NAA

被引：17

作者：

Shi, YQ ^{[1
]}

Acharya, R

Chatt, A

机构：

[1] AECL Chalk River Labs, Analyt Chem Branch, Chalk River, ON K0J 1J0, Canada

[2] Bhabha Atom Res Ctr, Div Radiochem, Bombay 400085, Maharashtra, India

[3] Dalhousie Univ, Dept Chem, Trace Anal Res Ctr, SLOWPOKE Facil 2, Halifax, NS B3H 4J3, Canada

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2004年 / 262卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1023/B:JRNC.0000040886.48944.bb

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Neutron activation analysis (NAA) in combination with mainly high-performance liquid chromatography (HPLC) has been developed for the determination of low levels of five arsenic species, namely As(III), As(V), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and arsenobetaine (AsB) in water samples. Organically bound arsenic (OBAs) and total arsenic have also been determined. In addition to anion-exchange HPLC, solid phase extraction and open-column cation-exchange chromatographic methods have also been used. The detection limits of the method have been found to be 0.005 ng.cm(-3) for OBAs, 0.02 ng.cm(-3) for AsB, DMA, MMA, As(III), and As(V) and 0.12 ng.cm(-3) for total arsenic.

引用

页码：277 / 286

页数：10

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