- hexachloroplatinic acid
(H2PtCl6·6H2O),also called 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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Chloroplatinic acid — Chloroplatinic acid … Wikipedia
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Potassium — (pronEng|pəˈtæsiəm) is a chemical element. It has the symbol K ( la. kalium, from ar. qalīy), atomic number 19, and atomic mass 39.0983. The name potassium comes from the word potash , as potassium was first isolated from potash. Potassium is a… … Wikipedia