title: Iron(III) as activator for catalytic fluorimetric microdetermination of V(V).
abstract: The activation of the vanadium(V)-catalysed aerial oxidation of sodium 4,8-diamino-1,5 -dihydroxyanthraquinone-2,6-disulphonate by iron(III) is discussed. The oxidation product is intensely fluorescent and allows fluorescence-monitoring of the slow reaction, which is preceded by an induction period. On the basis of this investigation, an accurate method for determination of vanadium(V) at the 1-10 ng/ml level has been developed.
authors.affiliation: Department of Analytical Chemistry, Faculty of Sciences, University of Malaga, Spain.
authors.forename: A
authors.initials: A
authors.lastname: Navas
authors.forename: M
authors.initials: M
authors.lastname: Santiago
authors.forename: F
authors.initials: F
authors.lastname: Grases
authors.forename: J J
authors.initials: JJ
authors.lastname: Laserna
authors.forename: F G
authors.initials: FG
authors.lastname: Sanchez