Description: White fine crystal, odorless, salty taste, stable property at normal temperature. Specification:Total alkali (by NaHCO3) % ≥ 99-100.5 Content of Arsenic (As) % ≤ 0.0001 Conent of Heavy Metal (Pb) % ≤ 0.0005 Drying Shrinkage % ≤ 0.20 PH value ≤ 8.6 Ammonium Salts Test passed Clarity Test passed Application: Mainly used as additive in food industry, vesicant in rubber industry, antacid in medical industry, propellant of fire-fighting equipments, accessory ingredient of detergent, detergent in film making and CO2 agent of soft drinks, beer and beverage.