... : 298-14-6Specification standard: HG/T 2828-1997 ItemIndexesResultsPotassium bicarbonate, %≥99.099.4Potassium (K), %≥38.038.4Water-insoluble substance, %≤0.010 ... .008PH value (100g/l solution)8-98.3 potassium bicarbonate 99% Food Grade, Industrial Grade