Customization: | Available |
---|---|
CAS No.: | 584-08-7 |
Formula: | K2co3 |
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Molecular formula: K2CO3
CAS: 584-08-7
Appearance:White crystal powder
Properties:
Is tasted, containing K2O 68.12%, its appearance is white powder crystallization, 2.43 g/cm3 density, melting point 891 ºC, thermal stability, high in 1000 ºC above nor decomposition.
Specifications Potassium Carbonate:
INSPECT ION ITEM |
UNIT |
FINE GRADE |
TV GLASS GRADE |
FIRST GRADE |
REGULAR GRADE |
Purity(as K2CO3) |
% Min |
99.0 |
99.0 |
98.5 |
96.0 |
Chloride(as KCl) |
% Max |
0.01 |
0.03 |
0.10 |
0.20 |
Sulphate(as K2SO4) |
% Max |
0.01 |
0.04 |
0.10 |
0.15 |
Iron |
% Max |
0.001 |
0.001 |
0.003 |
0.010 |
nsoluble matter in water |
% Max |
0.02 |
0.04 |
0.05 |
0.10 |
Burnt loss |
% Max |
0.6 |
0.8 |
1.00 |
1.00 |
Application:
Potassium Carbonate is used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also applied in electrode avoiding electric arc breaking-off during welding. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. Potassium Carbonate is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing.
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