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

✍ Scribed by Lucas Hernández; Pedro Hernández; Fernando Patón

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
520 KB
Volume
327
Category
Article
ISSN
0003-2670

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✦ Synopsis

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 pg ml-' level.

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