Spectrophotometric determination of platinum with iodide and pyronine G

Spectrophotometric determination of platinum with iodide and pyronine G

A sensitive and selective spectrophotometric procedure for the determination of platinum is described. The method is based on the interaction of Pyronine G with the hexaiodoplatinate (IV) anion to form a pink product that is stable for 24 h when stabilised with gelatin. Platinum concentrations as lo...

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Veröffentlicht in:Analyst (London) 1984-01, Vol.109 (11), p.1405-1407
Hauptverfasser: Jaya, Sambamoorthy, Rao, Talasila Prasada, Ramakrishna, Tiruvesaloor Venkatrama
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Analytical chemistry
Chemistry
Exact sciences and technology
Spectrometric and optical methods
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container_end_page 1407
container_issue 11
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container_title Analyst (London)
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creator Jaya, Sambamoorthy
Rao, Talasila Prasada
Ramakrishna, Tiruvesaloor Venkatrama
description A sensitive and selective spectrophotometric procedure for the determination of platinum is described. The method is based on the interaction of Pyronine G with the hexaiodoplatinate (IV) anion to form a pink product that is stable for 24 h when stabilised with gelatin. Platinum concentrations as low as 0.02 p.p.m. can be readily determined. The method is precise and has been applied to the determination of platinum in synthetic alloys and mineral samples and palladium foil. 10 ref.--AA
doi_str_mv 10.1039/AN9840901405
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source Royal Society of Chemistry Journals Archive (1841-2007); Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Analytical chemistry
Chemistry
Exact sciences and technology
Spectrometric and optical methods
title Spectrophotometric determination of platinum with iodide and pyronine G
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