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1. Chemical Name: POTASSIUM CARBONATE
2. Molecular Formula: K2CO3
3. Molecular Weight: 138.20
4. CAS: 584-08-7
5. Character: White crystalline powder, density 2.43g/cm3, melting point 891℃, thermal stability, does not decompose at above 1000℃.
| Specification | GB25588-2010 | FCC V |
| Content ≥% | 99.0% | 99.0~100.5% |
| Arsenic (asAs) mg/kg | 2mg/kg | ---- |
| Sulfur compounds≤% | 0.01% | ---- |
| Iron≤% | 0.0010% | ---- |
| Pb/mg/kg | ---- | 2mg/kg |
| Pb/mg/kg | 10mg/kg | ---- |
| Insoluble in Water ≤% | 0.02% | Passes test |
| Chlorides ≤% | 0.015% | ---- |
| Loss on Ignition≤% | 0.60% | 1.0% |
In food industry, it is used for manufacturing potassium glass, potassium soap, and other inorganic chemicals, industrial gases and for the removal of hydrogen sulfide and carbon dioxide, but also for welding, printing ink manufacturing, printing and dyeing industry, etc.
It is packed with polyethylene bag as inner, and a composite paper bag as the outer layer. The net weight of each bag is 25kg.
It should be stored in a dry, ventilative and clean warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous. Its expiry date is two year.
