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℃.
6、Usage: 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.
7、Packing: 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.
8、Storage and Transport: 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 one year.
|
质量指标 |
Specification |
GB25588-2010 |
FCC V |
|
含量（K2CO3）≥% |
Content ≥% |
99.0 |
99.0~100.5 |
|
砷 mg/kg |
Arsenic (asAs) mg/kg |
2 |
---- |
|
硫化合物 ≤% |
Sulfur compounds≤% |
0.01 |
---- |
|
铁 ≤% |
Iron≤% |
0.0010 |
---- |
|
铅（Pb）/mg/kg |
Pb |
---- |
2 |
|
重金属（以Pb计）/mg/kg |
Pb mg/kg |
10 |
---- |
|
水不溶物 ≤% |
Insoluble in Water ≤% |
0.02 |
Passes test |
|
氯化物 ≤% |
Chlorides ≤% |
0.015 |
---- |
|
灼烧减量 ≤% |
Loss on Ignition≤% |
0.60 |
1.0 |
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