Preconcentration of trace elements in sea water with poly (acrylaminophosphonic-dithiocarbamate) chelating fiber for their determination by inductively coupled plasma mass spectrometry

被引：74
|
作者：
Wen, B [1 ]
Shan, XQ [1 ]
Liu, RX [1 ]
Tang, HX [1 ]
机构：
[1] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
来源：
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1999年 / 363卷 / 03期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1007/s002160051183
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new ion exchange chelating fiber with aminophosphonic and dithiocarbamate groups based on polyacrylonitrile was used for the simultaneous preconcentration of beryllium, bismuth, cobalt, gallium, silver, lead, cadium, copper, manganese and indium in sea water. The optimum experimental parameters, such as fiber capacity, pH, sample flow rate and volume, eluant and effect of matrix ions on the preconcentration were investigated. The separation of analytes can be achieved from sea water with a concentration factor of at least 200 times. The method has been applied for the determination of trace elements in coastal sea water. The data obtained by this method agreed well with certified values.
引用
收藏
页码：251 / 255
页数：5
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