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Abstract：
A system of capillary electrophoresis with electrochemiluminescence detection (CE-ECL) together with UV spectroscopic and electrochemical methods were used to study the chemical oxidation of p-hydroxyphenylpyruvic acid (pHPP) by dissolved oxygen in aqueous solution. The pHPP was observed to be readily oxidized by dissolved oxygen in alkaline solution and yielded a compound that strongly enhanced the electrochemiluminescence of Ru(bpy)(2)(3+). This compound was separated and detected by a new CE-ECL system and revealed to be oxalate by being compared with an authentic sample of oxalate. The chemical oxidation mechanism of pHPP by dissolved oxygen was discussed in this paper.
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ANALYTICAL CHEMISTRY
ISSN： 0003-2700
Year： 2003
Issue： 23
Volume： 75
Page： 6602-6607
5 . 2 5
JCR@2003
6 . 8 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：1
Cited Count：
WoS CC Cited Count： 41
SCOPUS Cited Count： 43
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
