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Analytical Letters Volume 34, 2001 - Issue 7
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Original Articles

ELECTROANALYSIS OF PERACETIC ACID IN THE PRESENCE OF A LARGE EXCESS OF HYDROGEN PEROXIDE

Mohamed Ismail Awad Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
,
Chokto Harnoode Research & Technology Development Department, Ricoh Kyosan, Inc., 7-22 Midori-cho, Kawaguchi, Saitama, 332-0027, Japan
,
Koichi Tokuda Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
&
Takeo Ohsaka Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
Pages 1215-1221 | Received 03 Oct 2000, Accepted 19 Jan 2001, Published online: 02 Feb 2007
 
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Abstract

The simultaneous electroanalysis of peracetic acid (PAA) and H2O2 in the presence of a large excess of H2O2, up to hundred times the concentrations of PAA, has been presented for the first time. Square wave voltammetry using a gold electrode was successfully applied for this purpose. It was found that a careful electrochemical pretreatment of the gold electrode is the key for obtaining reproducible data. Good calibration curves for the reduction of both species were obtained with correlation coefficients higher than 0.996. The detection limit for PAA was found to be 45 μM.

ACKNOWLEDGMENT

The present work was financially supported by Grant-in-aids for Scientific Research (No. 12875164) and Scientific Research (A) (No. 10305064) from the Ministry of Education, Science, Sports and Culture, Japan. M. I. A. thanks the Government of Japan for the Monbusho fellowship.

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