Co-precipitative pre-concentration with sodium diethyldithiocarbamate and ICP-AES determination of Se, Cu, Pb, Zn, Fe, Co, Ni, Mn, Cr and Cd in water

被引：111

作者：

Atanassova, D

Stefanova, V

Russeva, E

机构：

[1] Paisij Hilendarski Univ Plovdiv, Ctr Analyt Chem & Appl Spect, BG-4000 Plovdiv, Bulgaria

[2] Bulgarian Acad Sci, Inst Gen & Inorgan Chem, BU-1113 Sofia, Bulgaria

来源：

TALANTA | 1998年 / 47卷 / 05期

关键词：

co-precipitation; sodium diethyldithiocarbamate; ICP-AES; water;

D O I：

10.1016/S0039-9140(98)00211-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Sodium diethyldithiocarbamate in the presence of a weak oxidizing agent is used as a co-precipitative agent for the pre-concentration of Se, Cu, Pb, Zn, Fe, Co, Ni, Mn, Cr and Cd. A procedure was developed for ICP-AES determination of these elements after pre-concentration in river and waste water (an enrichment factor of 40). The recovery of all the elements tested for was more than 98%. The limits of determination (mg l(-1)) (10 S.D. blank) are 0.001 (Cu, Co, Cr, Mn), 0.0007 (Zn, Cd), 0.003 (Se), 0.004 (Fe), 0.007 (Ni), and 0.01 (Pb). (C) 1998 Elsevier Science B.V. All rights reserved.

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页码：1237 / 1243

页数：7

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