Features:
1) Brown-black powder
2) Specific gravity: 7.143(166?)
3) Characteristics:
a) Quickly decomposes under 300?
b) Gradually decomposes under light
c) Easily dissolvable in nitric acid, aqueous ammonia and
sodium cyanide solution
d) Insoluble in water and alcohols, non contacting with
ammonia and oxidants, keeping tight
4) Used in medical treatment, piezoelectric ceramics, organic
synthesis, anti-corrosion agents, catalysts, glass abrasive
agents, coloring agents, water purifying agents and electronic
apparatus
5) Specification: conform to HY-10-2001