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Adsorptive stripping determination of indole-3-acetic acid at a carbon fiber ultramicroelectrode

被引：29
作者：
Hernandez, L
Hernandez, P
Paton, F
机构：
[1] Department of Analytical Chemistry, Autonoma University of Madrid
来源：
ANALYTICA CHIMICA ACTA | 1996年 / 327卷 / 02期
关键词：
indole-3-acetic acid; adsorptive stripping voltammetry;
D O I：
10.1016/0003-2670(96)00056-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method is described for the determination of minute amounts of indole-3-acetic acid (IAA) in plant extracts. The method is based on adsorptive stripping voltammetry at a carbon fiber ultra microelectrode. Optimal conditions with respect to accumulation time and potential, scan rate and pH are established. The relative error was 1.6% and the relative standard deviation was 1.5% for IAA concentrations at the 1.O mu gml(-1) level.
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页码：117 / 123
页数：7
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