Short Name: AMMONIUM SULPHATEOther Names: Diammonium Sulphate; : MascagniteEnzyme grade low in heavy metal contentChemical SpecificationsAppearance : Colourless crystals/ white crystalline powderAssay (titration) : Min.99.0%Insoluble matter : Max 0.005%pH (5% solution in water; 25°C) : 5.0 to 6.0Res..