Zinc Sulphate Mono
Purity min% 98
Zn min% 35
Mn max%(manganess) 0.03
Pb max% 0.001
Water insoluble matter max% 0.1
Zinc Sulphate Hepta
Purity min% 98
Zn min% 22
Water insoluble matter max% 0.05
Cd%≤(chromium)_ 0.001