TITLE

Determination of platinum(IV) by UV spectrophotometry

AUTHOR(S)
Georgieva, M.; Andonovski, B.
PUB. DATE
March 2003
SOURCE
Analytical & Bioanalytical Chemistry;Mar2003, Vol. 375 Issue 6, p836
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A simple, rapid and sensitive spectrophotometric procedure for the determination of platinum has been elaborated. Pt traces were determined in the form of the PtCl62- complex in hydrochloric acid solution whose concentration varies from 0.01 to 2 mol L-1 by measuring the absorbance at 260 nm. The detection limit is 4.7×10-7 mol L-1, the linearity range from 2×10-6 mol L-1 to 7×10-6 mol L-1, and the correlation coefficient is r=0.9990. No significant interferences were observed from a majority of the investigated ions, such as Zn(II), Pb(II), Mn(II), Cd(II), Co(II) and Ni(II) with the exception of Cu(II), Sb(III), Fe(III), Pd(II), Sn(II) and I- ions. The method was successfully applied for the determination of Pt traces in different solid samples and the recovery from inorganic materials was studied.
ACCESSION #
15124524

 

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