Determination of rare-earth elements in environmental water using chelating resin disk separation/ICP-MS

被引：15
|
作者：
Takaku, Y
Kudo, Y
Kimura, J
Hayashi, T
Ota, I
Hasegawa, H
Ueda, S
机构：
[1] Inst Environm Sci, Dept Radioecol, Rokkasho, Aomori 0393212, Japan
[2] Tohoku Nucl Ltd, Adv Technol Sci, Misawa, Aomori 033022, Japan
来源：
BUNSEKI KAGAKU | 2002年 / 51卷 / 07期
关键词：
rare-earth elements; environment water; chelating resin disk separation; ICP-MS;
D O I：
10.2116/bunsekikagaku.51.539
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A pre-concentration method for rare-earth elements in environmental water samples using chelating resin disk was developed. All rare-earth elements plus Th and U in environmental water samples were determined by ICP-MS. The preconcentration of all rare-earth elements, (Th and U) and the removal of major elements in seawater, such as alkali and alkaline- earth elements, could be carried out quickly by adjusting the sample's pH to 3. By this method barium could be removed along With other alkaline-earth elements from the sample. This reduced the interference of BaO when using ICP-MS, which allowed the analysis of europium with good precision. Using this method, rare-earth elements in four environmental standard samples (river water standard sample, JAC0031 (Japan Society for Analytical Chemistry), SLRS-3 (NRC Canada), seawater standard sample CASS-3, NASS-4 (NRC Canada)) and five environmental samples in Aomori (seawater 1, sea mingled with brackish water 3, fresh water 1) were measured.
引用
收藏
页码：539 / 544
页数：6
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