Hydrazine-induced post-chemiluminescence phenomenon of permanganate-luminol reaction and its applications

被引:26
作者
Du, JX [1 ]
Lu, JR [1 ]
机构
[1] Shaanxi Normal Univ, Coll Chem & Mat Sci, Xian 710062, Peoples R China
关键词
chemiluminescence; post-chemiluminescence reaction; hydrazine; isoniazid; flow injection;
D O I
10.1002/bio.785
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The post-chemiluminescence phenomenon arising from the permanganate-luminol reaction induced by hydrazine and isoniazid was investigated. When hydrazine or isoniazid was injected into the mixture after the end of the reaction of permanganate with alkaline luminol, a new chemiluminescence (CL) reaction was initiated and strong CL signal was detected. A possible CL mechanism is suggested, based upon the studies of the kinetic characteristics of the CL reaction, the UV-visible spectra, the CL spectra and some other experiments. The present reactions allow the determination of 0.1-10.0 mg/L hydrazine and 0.02-1.0 mg/L isoniazid, with detection limits of 0.03 mg/L and 0.006 mg/L, respectively. The method was applied to the determination of isoniazid in pharmaceutical preparations. Copyright (C) 2004 John Wiley Sons, Ltd.
引用
收藏
页码:328 / 332
页数:5
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