Issue 4, 2012
From the journal:

Journal of Analytical Atomic Spectrometry

Direct determination of metal to halide mole ratios in platinum complex anions [PtCl6−nBrn]2− (n = 0–6) by means of HPLC-ICP-OES using Cl, Br and Pt emissions of all separated species†

Pieter-Hugo van Wyk,a   Wilhelmus J. Gerbera  and  Klaus R. Koch*a  

* Corresponding authors

a Platinum Metals Chemistry Research Group, Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag XI, Stellenbosch, South Africa
E-mail: krk@sun.ac.za
Fax: +2721 808 2344
Tel: +2721 808 3020

Abstract

A hyphenated HPLC-ICP-OES method for the direct determination of the metal to ligand mole ratios for the series of individually separated PtII/IV chlorido–bromido [PtCl4]2−, [PtCl6]2− and [PtCl6−nBrn]2− (n = 0–6) species by simultaneous monitoring of the Pt (177.708 nm), Cl (134.724 nm) and Br (148.845 nm) ICP emissions leads to a novel and unambiguous method of chemical speciation of such PtII/IV complexes in acidic aqueous solutions.

Graphical abstract: Direct determination of metal to halide mole ratios in platinum complex anions [PtCl6−nBrn]2− (n = 0–6) by means of HPLC-ICP-OES using Cl, Br and Pt emissions of all separated species

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Article information

DOI
https://doi.org/10.1039/C2JA10342G
Article type
Communication
Submitted
29 Nov 2011
Accepted
30 Jan 2012
First published
16 Feb 2012

J. Anal. At. Spectrom., 2012,27, 577-580

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Direct determination of metal to halide mole ratios in platinum complex anions [PtCl6−nBrn]2− (n = 0–6) by means of HPLC-ICP-OES using Cl, Br and Pt emissions of all separated species

P. van Wyk, W. J. Gerber and K. R. Koch, J. Anal. At. Spectrom., 2012, 27, 577 DOI: 10.1039/C2JA10342G

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