Ammonium sulphate Industrial premium grade

CAS No.: 7783-20-2 HS Code:310221000 Grade: Caprolactam Welcome different grain size requirment (custom-made grain size)! Ammonium sulphate(Industrial premium grade) Pharmaceutical:Appearance:White crystal without visible mechanical impuritiesNitrogen content(N):21.0% minWater content(H2O):0.2% maxFree acid(H2SO4):0.03%maxIron(Fe):0.007% maxArsenic(As):0.00005% maxHeavy metal(based on Pb):0.005% maxInsoluble substance in water:0.01% max Packing: High quality plastic lined paper bags, plastic woven bags or paper bags of 50kgs net each.At customer's option. Ammonium sulphate direct from factory, if you want better quality ammonium sulphate, please feel free to contact us. The higher quality requriment the better.