Specification of Potassium Nitrate 99.8% Technical Name : Potassium Nitrate Formula: KNO3 Appearance : White Crystal Particle size : Passing through 16 - mesh 95% Assay : min 99.8 % N as Nitrogen: min 13.5 % K2O: min 46 % Moisture: max 1 % Chloride: max 0.015% pH of 5% sol: 5-7 Water insoluble: max: 0.02%. 25 kg & 50 kg HDPE bags with inner liner, palletized. 1000 Kg & 500 Kg jumbo packing.