Ammonium hexachloroplatinate

• Diammoniumhexachloroplatinat
• Platinsalmiak
• Ammonium platinum ( IV) chloride

Yellow solid

Fixed

3.066 g · cm -3

Sparingly soluble in water (7 g · l-1 at 15 ° C)

Risk

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Ammoniumhexachloroplatinat (IV) is a chemical compound from the group of Hexachloridoplatinate.

Production and representation

Ammoniumhexachloroplatinat (IV ) can be obtained with ammonium chloride by reaction of a weak hydrochloric acid Hexachloroplatinum (IV ) acid solution.

It is also formed as an intermediate during the process of separation of platinum from anode sludge in the electrochemical copper, nickel or cobalt recovery.

Properties

Ammoniumhexachloroplatinat (IV ) is a yellow solid which is sparingly soluble in water. It decomposes when heated.

It reacts with the copper (II ) acetate and hydrogen sulfide to copper-platinum complexes find use as diamagnetic materials and semiconductors. The compound has a cubic crystal structure with a space group Fm3m.