For food, medicine, film production, tanning, dressing, metallurgy, fiber and rubber industry, also can be used for washing, fire fighting agent, used as a leaven in the food industry, soft drinks and cold drinks in the carbon dioxide generating agent. Name:Sodium bicarbonate Molecular formula:NaHCO3 Molecular weight:84.01 Specification: Medical grade Appearance:White powder Test itemTest StandardAssay99.5% 100.5%PH8.6Appearance of solutionTo pass testChloride0.002%Sulphates0.005%Arsenic0.0002%AmmoniumTo pass testCalcium0.01%Iron0.0005%Heavy metala (Pb)0.0005%