... on your voiceBasic information:Name:ammonium sulphateAlias: ammonium sulfate, ammonium sulphate, sulfuric acid, diammonium salt, diammonium sulfate.Appearance:colorless rhombic crystals or ... basis),% ≥21.021.020.5Water content(H2O),% ≤0.20.31.0Free acid(H2SO4)content,% ≤0.030.050.20Fe ... ≤0.005--Water insolubles,% ≤0.01--Note: When ammonium sulphate is used in agriculture,it is not necessary to ...