Gold Tin Purple

Name:
Gold Tin Purple
Detailed information:

Chemistry name:	purple of Cassius; gold stannate; aurous stannate; gold-tin precipitate; CI 77482
Properties:
Brown powder. Insoluble in water; soluble in ammonia.
Derivation:
By the reaction of a neutral solution of gold trichloride with stannous and stannic chlorides, yielding a mixture of colloidal gold and tin oxide in varying proportions.
Grade:
Technical.
Use:
Manufacture of ruby glass, coloring enamels and porcelain.