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

被引：0
|
作者：
Ásta H. Pétursdóttir
Helga Gunnlaugsdóttir
Hrönn Jörundsdóttir
Adrien Mestrot
Eva M. Krupp
Jörg Feldmann
机构：
[1] University of Aberdeen,TESLA—Trace Element Speciation Laboratory, Chemistry, College of Physical Sciences
[2] Matis,Environment and Genetics Department
[3] University of Aberdeen,ACES—Aberdeen Centre of Environmental Sustainability
来源：
Analytical and Bioanalytical Chemistry | 2012年 / 404卷
关键词：
Speciation; Analytical chemistry; Seafood; Arsenic; Inorganic; CRM; Feed; Fish meal;
D O I：
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学科分类号：
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.
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页码：2185 / 2191
页数：6
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