potassium bicarbonate Appearance: powder Grade Standard: Food Grade, Industrial Grade Application: industry ... CAS: 298-14-6Specification standard: HG/T 2828-1997 ItemIndexesResultsPotassium bicarbonate, %≥99.099.4Potassium (K), %≥38.038.4Water-insoluble substance, %≤0 ... .020.008PH value (100g/l solution)8-98.3 potassium bicarbonate 99% Food Grade, Industrial Grade