ELECTROCHEMICAL-BEHAVIOR OF NITROBENZENE IN AQUEOUS-ETHANOL STUDIED BY DIFFERENTIAL-PULSE POLAROGRAPHY

被引：1
|
作者：
KIPPAXDAVIS, KJ [1 ]
BULLY, M [1 ]
ECONOMOU, A [1 ]
FIELDEN, PR [1 ]
WATSON, AFR [1 ]
ALDER, JF [1 ]
机构：
[1] UMIST,DEPT INSTRUMENTAT & ANALYT SCI,MANCHESTER M60 1QD,LANCS,ENGLAND
来源：
ANALYTICA CHIMICA ACTA | 1993年 / 284卷 / 01期
关键词：
POLAROGRAPHY; ELECTROCHEMICAL BEHAVIOR; NITROBENZENE;
D O I：
10.1016/0003-2670(93)80002-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Differential pulse polarographic studies of nitrobenzene in aqueous ethanol reveal complex behaviour involving solvent composition, viscosity and pH. Both reduction potential and peak reduction current are dependent on all three parameters. Limits of detection of ca. 2 X 10(-7) M and a linear working range up to 10(-3) M nitrobenzene in ethanol-water (80:20) at pH 6 were recorded. No adsorptive accumulation of nitrobenzene onto the hanging mercury drop electrode employed was observed under any condition in the aqueous ethanol mixtures.
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收藏
页码：13 / 19
页数：7
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