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Determination of isoniazid and hydrazine by capillary electrophoresis with amperometric detection at a Pt-particle modified carbon fiber microelectrode
被引：0
作者：
WANGErKang ZHOUWeiHongLaboratory of Electroanalytical ChemistryChangchun Institute of Applied ChemistryChinese Academy of SciencesChangchunJilin SSChina
[1300
]
机构：
关键词：
Amperometric detection;
capillary electrophoresis;
isoniazid;
hydrazine;
Pt-particles carbon fiber microelectrode;
chemically modified electrode;
D O I：
暂无
中图分类号：
O658.9 [其他];
学科分类号：
070302 ;
081704 ;
摘要：
<正> Capillary electrpphoresis (CE)/electrochemical detection (EC) for the simultane-ous determination of hydrazine and isoniazid has been developed.The electrochemical method uses a novel modified electrode dispersed with ultrafine platinum particles on the surface of a 30μm carbon fiber microelectrode.The unique characteristic of the Pt-particles modified carbon fiber microelectrode is its excellent stability.The current measurement for hydrazine is more sensitive than that of isoniazid.Selective determination of trace amount of free hydrazine in isoniazid and its formulation can be achieved at applied potential of 0.5V.
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页码：131 / 137
页数：7
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