DETERMINATION OF 2-NITROPHENOL, 4-NITROPHENOL, 2-METHOXY-5-NITROPHENOL, AND 2,4-DINITROPHENOL BY DIFFERENTIAL-PULSE VOLTAMMETRY AND ADSORPTIVE STRIPPING VOLTAMMETRY

被引:57
作者
BAREK, J [1 ]
EBERTOVA, H [1 ]
MEJSTRIK, V [1 ]
ZIMA, J [1 ]
机构
[1] RES INST ORGAN SYNTH,CTR ENVIRONM & ANALYT CHEM & TOXICOL,CS-53218 PARDUBICE,CZECH REPUBLIC
关键词
D O I
10.1135/cccc19941761
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The behaviour of the title substances, which are components of the commercial plant growth stimulator Sviton, in differential pulse voltammetry at a hanging mercury drop electrode was studied and the optimum conditions were established for their quantitation over the concentration region of 1 .10(-7) to 1 . 10(-5) mol 1(-1). Additional decrease in the limit of determination was achieved in adsorptive stripping voltammetry, by which 4-nitrophenol and 2-nitrophenol can be determined within the concentration regions of 2. 10(-10) to 1. 10(-7) and 2. 10(-8) to 1. 10(-7) mol 1(-1), respectively, and 2,4-dinitrophenol and 2-methoxy-5-nitrophenol within the region of 2. 10(-9) to 1. 10(-7) mol 1(-1).
引用
收藏
页码:1761 / 1771
页数:11
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