FTIR spectroelectrochemical investigation of the electrocatalytic oxidation of ascorbic acid at platinum electrodes in acid medium

被引：23

作者：

Kokoh, KB ^{[1
]}

Hahn, F ^{[1
]}

Métayer, A ^{[1
]}

Lamy, C ^{[1
]}

机构：

[1] Univ Poitiers, Equipe Electrocatalyse, UMR 6503, CNRS, F-86022 Poitiers, France

来源：

ELECTROCHIMICA ACTA | 2002年 / 47卷 / 24期

关键词：

ascorbic acid; electrocatalytic oxidation; infrared reflectance spectroscopy; reaction mechanisms;

D O I：

10.1016/S0013-4686(02)00368-7

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrochemical oxidation of ascorbic acid (AA) at a platinum electrode has been studied in 0.1 M HClO4, In situ infrared reflectance spectroscopy (SPAIRS and SNIFTIRS techniques) was used to investigate the reaction intermediates. The identification of the different electroreactive species and adsorbed intermediates allowed us to postulate a reaction mechanism for the transformation of AA into dehydroascorbic acid (DHA). (C) 2002 Published by Elsevier Science Ltd.

引用

页码：3965 / 3969

页数：5

共 18 条

[1] APPLICATION OF C-13 NMR-SPECTROSCOPY TO THE ELUCIDATION OF THE ELECTROCHEMICAL OXIDATION MECHANISM OF THE L-ASCORBIC AND D-ARABOASCORBIC ACIDS
ACERETE, C
GARRIGOS, L
GUILLEME, J
DIEZ, E
ALDAZ, A
[J]. ELECTROCHIMICA ACTA, 1981, 26 (08) : 1041 - 1045
[2] ALDAZ A, 1973, J ELECTROANAL CHEM, V47, P532, DOI 10.1016/S0022-0728(73)80205-0
[3] Beden B., 1992, MODERN ASPECTS ELECT, P97, DOI DOI 10.1007/978-1-4615-3376-4_2
[4] BEHEN B, 1988, SPECTROELECTROCHEMIS, pCH5
[5] ADSORPTION AND KINETICS OF OXIDATION OF ASCORBIC-ACID AT PLATINUM-ELECTRODES
BREZINA, M
LOUCKA, T
KORYTA, J
MARSIKOV.D
PRADAC, J
[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1972, 40 (01): : 13 - &
[6] Electrochemical and FTIR studies of 4-cyanopyridine adsorption at the gold(111) | solution interface
Chen, AC
Yang, DF
Lipkowski, J
[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1999, 475 (02) : 130 - 138
[7] SINGLE POTENTIAL-ALTERATION SURFACE INFRARED-SPECTROSCOPY - EXAMINATION OF ADSORBED SPECIES INVOLVED IN IRREVERSIBLE ELECTRODE-REACTIONS
CORRIGAN, DS
LEUNG, LWH
WEAVER, MJ
[J]. ANALYTICAL CHEMISTRY, 1987, 59 (18) : 2252 - 2256
[8] MECHANISMS OF FORMIC-ACID, METHANOL, AND CARBON-MONOXIDE ELECTROOXIDATION AT PLATINUM AS EXAMINED BY SINGLE POTENTIAL ALTERATION INFRARED-SPECTROSCOPY
CORRIGAN, DS
WEAVER, MJ
[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1988, 241 (1-2): : 143 - 162
[9] DOMINGUEZ M, 1976, J ELECTROANAL CHEM, V68, P345
[10] On some mechanistic aspects of the electrochemical oxidation of lactose at platinum and gold electrodes in alkaline medium
Druliolle, H
Kokoh, KB
Hahn, F
Lamy, C
Beden, B
[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1997, 426 (1-2): : 103 - 115

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