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chloroplatinic acid

noun
1.
a red-brown, crystalline, water-soluble solid, H 2 PtCl 6 ⋅6H 2 O, used chiefly in platinizing glass, metals, and ceramic ware.
Also called platinic chloride.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Article for chloroplatinic-acid

chloroplatinic acid

complex compound formed by dissolving platinum metal in aqua regia (a mixture of nitric and hydrochloric acids) or in hydrochloric acid that contains chlorine. It is crystallized from the solution in the form of reddish brown deliquescent (moisture-absorbing) crystals with specific gravity 2.43 and melting point 60 C (140 F). It is the starting material from which most platinum compounds are made; it is also used in platinum-plating baths

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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