Ethylene glycol electrochemical oxidation at platinum probed by ion chromatography and infrared spectroscopy

Austin Dailey; Jungwon Shin; Carol Korzeniewski

doi:10.1016/S0013-4686(98)00217-5

Ethylene glycol electrochemical oxidation at platinum probed by ion chromatography and infrared spectroscopy

Austin Dailey, Jungwon Shin, Carol Korzeniewski

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

Wet chemical methods were used in combination with in situ infrared spectroscopy to identify and quantify soluble products formed during ethylene glycol electrochemical oxidation on platinum. A small volume electrolysis technique allowed reactions to be performed in samples of 150 μl in contact with a small, bead-type single crystal electrode. Following reaction, 50-100 μl aliquots were assayed for aldehydes and carboxylic acids. Glycolaldehyde (HOCH₂CHO), and glycolic (HOCH₂COOH) and oxalic ((HOOC)₂) acids were detected following the 360 s electrolysis of 0.2 M ethylene glycol in 0.1 M HClO₄ at potentials in the range 0.0-0.6 V (vs. SCE). Determination of the carboxylic acids by ion chromatography aided the assignment of carboxylate vibrational bands in in situ infrared spectra.

Original language	English
Pages (from-to)	1147-1152
Number of pages	6
Journal	Electrochimica Acta
Volume	44
Issue number	6-7
DOIs	https://doi.org/10.1016/S0013-4686(98)00217-5
State	Published - Nov 1 1998

Keywords

Ethylene glycol
Infrared spectroscopy
Organic oxidation reactions
Oxidation
Platinum

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title = "Ethylene glycol electrochemical oxidation at platinum probed by ion chromatography and infrared spectroscopy",

abstract = "Wet chemical methods were used in combination with in situ infrared spectroscopy to identify and quantify soluble products formed during ethylene glycol electrochemical oxidation on platinum. A small volume electrolysis technique allowed reactions to be performed in samples of 150 μl in contact with a small, bead-type single crystal electrode. Following reaction, 50-100 μl aliquots were assayed for aldehydes and carboxylic acids. Glycolaldehyde (HOCH2CHO), and glycolic (HOCH2COOH) and oxalic ((HOOC)2) acids were detected following the 360 s electrolysis of 0.2 M ethylene glycol in 0.1 M HClO4 at potentials in the range 0.0-0.6 V (vs. SCE). Determination of the carboxylic acids by ion chromatography aided the assignment of carboxylate vibrational bands in in situ infrared spectra.",

keywords = "Ethylene glycol, Infrared spectroscopy, Organic oxidation reactions, Oxidation, Platinum",

author = "Austin Dailey and Jungwon Shin and Carol Korzeniewski",

year = "1998",

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doi = "10.1016/S0013-4686(98)00217-5",

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T1 - Ethylene glycol electrochemical oxidation at platinum probed by ion chromatography and infrared spectroscopy

AU - Dailey, Austin

AU - Shin, Jungwon

AU - Korzeniewski, Carol

PY - 1998/11/1

Y1 - 1998/11/1

N2 - Wet chemical methods were used in combination with in situ infrared spectroscopy to identify and quantify soluble products formed during ethylene glycol electrochemical oxidation on platinum. A small volume electrolysis technique allowed reactions to be performed in samples of 150 μl in contact with a small, bead-type single crystal electrode. Following reaction, 50-100 μl aliquots were assayed for aldehydes and carboxylic acids. Glycolaldehyde (HOCH2CHO), and glycolic (HOCH2COOH) and oxalic ((HOOC)2) acids were detected following the 360 s electrolysis of 0.2 M ethylene glycol in 0.1 M HClO4 at potentials in the range 0.0-0.6 V (vs. SCE). Determination of the carboxylic acids by ion chromatography aided the assignment of carboxylate vibrational bands in in situ infrared spectra.

AB - Wet chemical methods were used in combination with in situ infrared spectroscopy to identify and quantify soluble products formed during ethylene glycol electrochemical oxidation on platinum. A small volume electrolysis technique allowed reactions to be performed in samples of 150 μl in contact with a small, bead-type single crystal electrode. Following reaction, 50-100 μl aliquots were assayed for aldehydes and carboxylic acids. Glycolaldehyde (HOCH2CHO), and glycolic (HOCH2COOH) and oxalic ((HOOC)2) acids were detected following the 360 s electrolysis of 0.2 M ethylene glycol in 0.1 M HClO4 at potentials in the range 0.0-0.6 V (vs. SCE). Determination of the carboxylic acids by ion chromatography aided the assignment of carboxylate vibrational bands in in situ infrared spectra.

KW - Ethylene glycol

KW - Infrared spectroscopy

KW - Organic oxidation reactions

KW - Oxidation

KW - Platinum

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