FLUOROMETRIC CR(VI) AND CR(III) SPECIATION WITH CRYSTAL VIOLET

被引：12
|
作者：
KABASAKALIS, V
机构：
[1] Lab. of Analytical Chemistry, Chemical Engineering Department, Aristotelian University of Thessaloniki
来源：
ANALYTICAL LETTERS | 1993年 / 26卷 / 10期
关键词：
FLUOROMETRY; CHROMIUM SPECIATION; CRYSTAL VIOLET;
D O I：
10.1080/00032719308017467
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple fluorimetric determination of Cr(VI) in the presence of Cr(III) is described. This determination is based on the fluorescence, produced from the ion-association complex between the Crystal violet cation and the anionic complex, formed between Cr(VI) and excess of I-. This fluorescence is not observed when Cr(III) is used instead of Cr(VI). The fluorescence intensity is linear over the concentration range of 0-60 mug/l. The method was applied in potable and sea waters.
引用
收藏
页码：2269 / 2275
页数：7
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