... will eventually decompose into potassium oxide and nitrogen oxide. Dissolved in water(0°C,13.3g/100gH2O;30°C,45.8g/100H2O ... used raw material to make black powder, front line , blaze and some other things. In pottery and porcelain industry it can ... .020.01Chloride(Cl),% ≤0.030.02Sulfate(SO4),% ≤0.010.005Water content,% ≤0.10.08K2O,% ≥4646.1N,% ≥13.513.51Clarity TestQualifiedQualifiedApperanceClorless ...