HPLC-HG-ICP-MS: a sensitive and selective method for inorganic arsenic in seafood

被引：29
|
作者：
Petursdottir, Asta H. [1 ,2 ]
Gunnlaugsdottir, Helga [2 ]
Joerundsdottir, Hroenn [2 ]
Mestrot, Adrien [1 ]
Krupp, Eva M. [1 ,3 ]
Feldmann, Joerg [1 ]
机构：
[1] Univ Aberdeen, Coll Phys Sci, TESLA Trace Element Speciat Lab, Aberdeen AB24 3UE, Scotland
[2] Matis, Environm & Genet Dept, IS-113 Reykjavik, Iceland
[3] Univ Aberdeen, ACES Aberdeen Ctr Environm Sustainabil, Aberdeen AB24 3UU, Scotland
来源：
ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2012年 / 404卷 / 08期
关键词：
Speciation; Analytical chemistry; Seafood; Arsenic; Inorganic; CRM; Feed; Fish meal; PLASMA-MASS SPECTROMETRY; SPECIATION; ARSENOSUGARS;
D O I：
10.1007/s00216-012-6347-2
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The addition of an online post-column hydride generation (HG) step to the commonly used high-performance liquid chromatography inductively coupled plasma-mass spectrometry (HPLC-ICP-MS) setup for arsenic speciation proved to significantly improve the detection limits for the determination of inorganic arsenic (iAs) as arsenate in seafood samples, where the limit of detection and limit of quantification were found to be 0.0004 and 0.0014 mg kg(-1), respectively with HG. HG as an additional step further added to the selectivity of the determination of the iAs species and increased the detection and quantification of low levels of iAs (< 0.002 mg kg(-1)) in samples with complicated matrices.
引用
收藏
页码：2185 / 2191
页数：7
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