Determination of Cd, Cu, Pb and Sb in environmental samples by ICP-AES using polyaniline for separation

被引：0
|
作者：
A. C. Sahayam
机构：
[1] National Center for Compositional Characterisation of Materials,
[2] ECIL (P.O),undefined
[3] Hyderabad – 500062,undefined
[4] India e-mail: acs@cccm1.ernet.in,undefined
来源：
Fresenius' Journal of Analytical Chemistry | 1998年 / 362卷
关键词：
Potassium; Optimum Condition; Iodide; HNO3; Polyaniline;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The anion exchange properties of polyaniline for Cd, Cu, Pb and Sb in potassium iodide were studied. The analytes converted into anionic complexes by KI (0.03–0.96 mol/L) in HCl were adsorbed on polyaniline and eluted with HNO3. The optimum conditions for adsorption and elution were determined. Quantitative recoveries were obtained for Cd, Cu and Pb, whereas, the recoveries for Sb were about 75%. This separation procedure was used with subsequent ICP-AES determination for Cd, Cu, and Pb in NIST-coal fly ash (1633b) and a sea plant with an R.S.D of 5% (n = 5).
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页码：285 / 288
页数：3
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