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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

An AC Voltammetric Instrumentation and Its Application in Iodine Analysis

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1992, v.5 no.1, pp.91-96
Kim, Moon-Soon
Jung, Eui-Han
Jeong, Gi-Ho
Shim, Yoon-Bo
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Abstract

A simple and cheap AC voltammeter was manufactured in our lab. This instrument consists of a DC function generator and a lock-in amplifier. We tested this instrument in some chemical systems. Our data, CV voltammogram and AC voltammogram, obtained form using a Pt working electrode in 1M <TEX>$H_2SO_4$</TEX> and a reversible system of <TEX>$1{\times}10^{-3}M$</TEX> <TEX>${Fe(CN)_6}^{3-}$</TEX> proved our system works well. The quantitative result of iodine is also obtained.

keywords
AC voltammeter, Iodine


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