Application of an optimization procedure of adsorptive stripping voltammetry for the determination of chromium in wine

被引：1
作者：
Dominguez, O [1 ]
Sanllorente, S [1 ]
Arcos, MJ [1 ]
机构：
[1] Univ Burgos, Fac Ciencias, Area Quim Analit, Dept Quim, E-09001 Burgos, Spain
来源：
ELECTROANALYSIS | 1999年 / 11卷 / 17期
关键词：
chromium; adsorptive stripping voltammetry; complexing agents; experimental design; wine;
D O I：
10.1002/(SICI)1521-4109(199911)11:17<1273::AID-ELAN1273>3.0.CO;2-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A procedure for the determination of chromium in wine by differential pulse adsorptive stripping voltammetry (DPAdSV), using different complexing agents (TTHA, DTPA and Cupferron), has been optimized. The selection of the experimental conditions was made using experimental design methodology. Under these conditions the calibrations were made and the detection limit was determined for each complexing agent. The lowest detection limit (4.68 x 10(-10) mol dm(-3)) was obtained with DTPA and for this reason it was selected for the determination of the concentration of chromium in different wine samples, after having conducted a previous optimization of the experimental factors.
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页码：1273 / 1279
页数：7
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