Determination of Cadmium in Bivalve Molluscs by Microwave Digestion with Inductively Coupled Plasma-Mass Spectrometry
文献类型: 外文期刊
第一作者: Jin Gao-wa
作者: Jin Gao-wa;Gong Qian;Cai You-qiong;Li Xiao-lei;Shi Yong-fu;Gu Run-run;Yang Qiao
作者机构:
关键词: ICP-MS;microwave digestion;bivalve molluscs;cadmium
期刊名称:ADVANCED MEASUREMENT AND TEST, PTS 1-3
ISSN: 1022-6680
年卷期: 2011 年 301-303 卷
页码:
收录情况: SCI
摘要: A method based on microwave digestion and inductively coupled plasma-mass spectrometry (ICP-MS) has been established for the sensitive determination of cadmium in bivalve molluscs. The application of the internal standards calibration improved the accuracy and precision values of the method. The relative standard deviation (RSD), the standard addition recovery value and the detection limit were determined as 4.25%, 94.74% and 0.005 mu g/L, respectively. This method has been verified by the determination of cadmium in certified reference material kelp (GBW08517) and mussel (GBW08571). The method has been applied to determine the contamination concentration level of cadmium in seven kinds of bivalve mollusk samples. The results indicated that, among them, mud clam, scallop and oyster have relative high accumulation ability to cadmium.
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