Chemiluminescence determination of thiourea using tris (1,10-phenanthroline)-ruthenium (II) KMnO4 system

The light emission produced by thiourea in oxidation process by permanganate in acidic solution in the presence of Ru(phen)23+ is used to determine 1.0×10−5 −1.0×10−5 mol/L thiourea. The limit of detection is 9.8×10−9 mol/L and the relative standard deviation is 1.1% for a 1.0×10−5 mol/L thiourea so...

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Bibliographic Details
Published in:Wuhan University journal of natural sciences 2002-09, Vol.7 (3), p.341-344
Main Authors: Feng-wu, Wu, Xin-ping, Ai, Chen-nong, Yan, Zhi-ke, He, Hui, Meng, Yun-e, Zeng
Format: Article
Language:English
Subjects:
Acidic oxides
Chemiluminescence
Light emission
Oxidation
Oxidation process
Potassium permanganate
Ruthenium
Thiourea
Thioureas
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Summary:The light emission produced by thiourea in oxidation process by permanganate in acidic solution in the presence of Ru(phen)23+ is used to determine 1.0×10−5 −1.0×10−5 mol/L thiourea. The limit of detection is 9.8×10−9 mol/L and the relative standard deviation is 1.1% for a 1.0×10−5 mol/L thiourea solution (n=10). The method was applied satisfactorily to the determination of thiourea.
ISSN:1007-1202
1993-4998
DOI:10.1007/BF02912155