Molecular formula: Na2CO3
Appearance: white powdery crystal
Properties: easily soluble in water, the aqueous solution is alkaline, and gives off heat, easy to deliquescence; React with acid to form a salt. Usage: soda ash is one of the most important chemical raw materials. It is widely used in the chemical industry, glass, metallurgy, papermaking, printing and dyeing, synthetic detergent, petrochemical industry, food, medicine and health, and other industries. With large consumption, it plays an important role in the national economy.
Specification: Edible Sodium Carbonate
Edible Sodium Carbonate shall comply with the standard of food additive sodium carbonate GB1886.1-2015 issued by the people's Republic of China.
Item | Index |
Total alkali (in Na2CO3) (on a dry basis), w /% ≥ | 99.2 |
Total alkali (in Na2CO3) (on a wet basis), w /% ≥ | 97.9 |
Chloride (in NaCl) (on a dry basis), w /% ≤ | 0.7 |
Iron (Fe) (on a dry basis), w /% ≤ | 0.0035 |
Heavy metals (in Pb) / (mg / kg) ≤ | 10 |
Arsenic (As) / (mg / kg) ≤ | 2 |
Water insoluble (on a dry basis), w /% ≤ | 0.03 |