Food Additive Sodium Name & Use: "Yuandu" brand Food Additive Sodium Bicarbonate. Formula NaHCO3.Snow white tiny crystals, odorless, salty, stable usually. Mainly applied as food additive in food stuff industry, foaming agent in rubber industry, acidifying agent in medicine industry, reactor in fire fighting instruments, compounding ingredient in detergent making, detergent in movie making, Carbon Dioxide (CO2) reactor in beer, drinks, etc. GB1887-2007) Technical Index (National Standard GB1887-98) Alkalinity (NaHCO3)% 99.0-100.5 Arsenic(As)% ≤0.0001 Heavy Metal(pb)% ≤0.0005 Dry weight loss% ≤0.20 PH(10g/Lwater solution) ≤8.5 Ammonate up to standards Clearness up to standards Chloride(CL) Concentration%