Present name. - Ammonio-platinic Chloride. 2H4NCl,PtCl4.

This may be obtained from the operative chemists.

Characters. - Small transparent, yellow octohedral crystals, sparingly soluble in water, but insoluble in alcohol and ether. When heated with Caustic Potash, Ammonia is evolved.

It is mentioned by Noack and Trinks, but no proving is referred to.

Preparation. - Trituration.