DETERMINATION OF CHROMIUM BY RADIOCHEMICAL DISPLACEMENT

被引：0
|
作者：
REDDY, PC [1 ]
RANGAMANNAR, B [1 ]
RAJU, NJ [1 ]
机构：
[1] SRI VENKATESWARA UNIV,DEPT GEOL,TIRUPATI 517502,ANDHRA PRADESH,INDIA
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1995年 / 200卷 / 02期
关键词：
D O I：
10.1007/BF02163681
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A rapid and sensitive method has been developed for the determination of microgram amounts of chromium based on the radiochemical displacement of Zn-65 from labeled Zn-[1-(2-pyridylazo-2-naphthol](2) complex by chromium. The effect of pH on the displacement of Zn-65 was studied. 5-65 mu g of chromium could be determined with great accuracy. The effect of various ions on the displacement of Zn-65 by chromium was investigated and the method developed was utilized for the determination of chromium content present in geological water samples. The results were compared with values obtained by Atomic Absorption Spectrophotometry.
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页码：119 / 126
页数：8
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