... name Zinc Sulphate Hepta 2,Purity Zn 22% min 3,Appearance white powder 4,Use for Agriculture Grade 1,Product name Zinc Sulphate ... 22% min3,Appearance white powder4,Use for Agriculture Grade Specifications Zinc Sulphate Hepta Zn 22% minPb 0.002% maxAs 0.002 ... Chrome Oxide Green,Sodium Bichromate,Chrome Acid,Magnesium Sulphate,Sodium Metabisulphate,Kieserite,Magnesium Carbonate Light,Magnesium Oxide ...