Chloroplatinic acid or hexachloroplatinic acid is the chemical combine typically chanced as the hexahydrate. This is one of the most readily available soluble compounds of platinum. It is rarely obtained in the pure state. The commercial product is the oxonium salt of the hexachloroplatinate(IV) anion. It is an acid, H2PtCl6, derived from platinic chloride and hydrochloric acid, used in the analysis of amines. Cyanosis is possible. Chronic exposure may result in pulmonary fibrosis. Swallowing will lead to a strong corrosive effect on mouth and throat and to the danger of perforation of esophagus and stomach.
Chloroplatinic acid was popularized for the decision of potassium.
The potassium comprises selectively precipitated as potassium chloroplatinate. Determinations were done in 85% (v/v) alcohol solutions with excess platinate ions, and the precipitated product was weighed. Potassium could be noticed for solutions as cut equally incognizant.02 to 0.2% (m/v).
Therefore, the correct formula equals [H3O]2[PtCl6]·4H2O. The related to palladium compound, [H3O]2[PdCl6] is extremely unstable and has not been insulated incoming pure form.
Chloroplatinic acid is produced by dissolving platinum argentiferous sponge in greenish blue regia. This reaction is rumored to produce nitrogen-containing platinum compounds, but the product is H2PtCl6.
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