CAS NO. 7646-85-7
Appearance: Clear yellowish powder
Available Content: 98% min
Basic salt (as ZnO): 1.6~2.2%
Sulfate: 0.01% max
Barium( Ba): 0.10% max.
Iron (Fe): 0.0005% max.
Heavy metal ( as Pb): 0.0005% max.
Insoluble matter in HCl: 1.0% max