Effect of solution concentration on the UV-vis spectroscopy measured oxidation state of polyaniline base

被引：33
|
作者：
Wang, YY [1 ]
Jing, XL [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Environm & Chem Engn, Xian 710049, Peoples R China
来源：
POLYMER TESTING | 2005年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
polyaniline; UV-vis spectioscopy; oxidation state; Lambert-Beer law;
D O I：
10.1016/j.polymertesting.2004.09.013
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of the concentration of polyaniline (PANI) base in dimethyl formamide (DNIF) solution on the UV-vis spectroscopy determined oxidation state of PANI is presented. It is shown for the first Lime that the UV-vis spectra deiernuined oxidation state of the same PANI decreased with increasina concentration of the testins! solufion in the UV-vis measurememand showed also a fluctuation with the testin- time interval. Tos!ether with the analvsis of the Lamberi-Beer law. it was concluded that only when the testing concentration was specified, could the UV-vis spectra be used to illuminate or differenfi2w the oxidation state of PANI base. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：153 / 156
页数：4
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