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[en] This paper describes a sensitive method for the determination of ruthenium(III) and palladium(II) in mixtures (up to 16 μg ml-1 of ruthenium and 4.5 μg ml-1 of palladium) by first and second derivative spectrophotometry. The method is based upon the coloured complexes that both ruthenium and palladium form with 2-thiobarbituric acid. A statistical analysis of the experimental results is presented. (author)
Journal
Analyst; ISSN 0003-2654; 
; v. 108(1293); p. 1506-1510
; v. 108(1293); p. 1506-1510