Determination of trace amount of lead in natural water by isotope dilution - Inductively coupled plasma mass spectrometry

被引：5

作者：

Itoh, A ^{[1
]}

Ozaki, T ^{[1
]}

Chiba, K ^{[1
]}

Haraguchi, H ^{[1
]}

机构：

[1] Nagoya Univ, Sch Engn, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 46401, Japan

来源：

ANALYTICAL SCIENCES | 1997年 / 13卷

关键词：

ICP-MS; isotope dilution; lead; natural water;

D O I：

10.2116/analsci.13.Supplement_7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Isotope dilution-inductively coupled plasma mass spectrometry (ID-ICP-MS) was applied to the determination of lead in natural water, and its precision was compared to that of the conventional calibration method. Trace amount of lead in natural water was preconcentrated using a chelating resin of Chelex 100 before ID-ICP-MS, where the preconcentration factor of 50 was obtained. The concentrations of lead were 26.1 pg/g and 266 pg/g for the certified river reference materials (JAC 0031) and the pond water sample, respectively, with the RSD less than 1%.

引用

页码：7 / 10

页数：4

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