Mainly used in food industry, pharmaceutical industry and laboratory analytical reagents. In the food industry it can be used as buffer, chelating agents, stabilizer etc., it can be used for milk and dairy products, jellies, jams, meat, cheese emulsification, citrus preservation etc. In the pharmaceutical industry it’s used for hypokalemia, potassium deficiency and alkaline urine. It can also be used for chemical analysis reagent. Product Introduction   ITEM UNIT BP USP FCC E332 GB1866.235-2016 characters / White Crystalline Powders Identification / Pass Test Color & Clarity of Solution / Pass Test / / / / Acidity or Alkalinity / Pass Test Pass Test Pass Test / Pass Test Assay % 99.0-101.0 99.0-100.5 99.0-100.5 ≤99.0 99.0-100.5 Light Transmittance % / / / / ≤99.5 Water % 4.0-7.0 / / / / Loss on Drying % / 3.0-6.0 3.0-6.0 ≤6.0 3.0-6.0 Sodium % ≤0.3 / / / / Readily Carbonized Substances / Not Darker than Standard / / / ≤1 Sulphate ppm ≤150 / / / ≤150 Chloride ppm ≤50 / / / ≤50 Oxalate ppm ≤300 / / ≤100 ≤300 Iron ppm / / / / ≤5.0 Calcium ppm / / / / ≤200 Lead ppm / / ≤2 ≤1 ≤2.0 Arsenic ppm / / / ≤1 ≤1.0 Mercury ppm / / / ≤1 / Tartrate ppm / Pass Test / / / PH / / / / 7.5-9.0 / Water Insoluble Substance / / / / / Pass Test