1> Spec A>Anhydrous Appearance:White cryastal Purity: 98 % Min Chloride: 0.05% max Fe: 0.005 % max Sulfide(as S): 0.05 % max Water Insolubility: 0.2 % max B> Dihydrate Appearance: White Crystal Purity: 98%Min. Ca: 0.09 % max Sulfide(as S): 0.008 % max Fe: 0.003 % max Water Insolubility: 0.1%max 2>Packing: 25Kg/Woven bag on pallets 3>Quantity: 22-24 T/ 20'Fc