Determination of copper and cadmium by atomic absorption spectrometry with electrochemical and sorption preconcentration

被引:19
作者
Abdullin, IF [1 ]
Turova, EN [1 ]
Budnikov, GK [1 ]
机构
[1] Kazan State Univ, Kazan 420008, Tatarstan, Russia
关键词
Cadmium; Tantalum; Atomic Absorption Spectrometry; Anal Chim; Paper Strip;
D O I
10.1007/BF02757814
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A method is proposed for the determination of copper and cadmium by atomic absorption spectrometry in a propane-butane-air flame with electrochemical and sorption preconcentration. Electrochemical preconcentration was performed on metal (tantalum, titanium, molybdenum, and platinum), glassy-carbon, and spectrographic graphite electrodes. Sorption preconcentration was performed on filter paper with immobilized dithizone, 8-hydroxyquinoline, and rubeanic acid. It is demonstrated that copper and cadmium can be determined in water within the concentration range 1-10 mu g/L.
引用
收藏
页码:567 / 569
页数:3
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