| Customization: | Available |
|---|---|
| CAS No.: | 584-08-7 |
| Formula: | K2co3 |
|
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Inspection Items
|
Unit
|
Fine Grade
|
Technical Grade
|
First Grade
|
Regular Grade
|
|
Purity
|
%≥
|
99.0
|
98.5
|
98
|
96.0
|
|
Chloride(as KCl)
|
%≤
|
0.003
|
0.01
|
0.03
|
0.1
|
|
Sulphate( as K2SO4)
|
%≤
|
0.002
|
0.01
|
0.1
|
0.15
|
|
Fe
|
%≤
|
0.0005
|
0.0002
|
0.001
|
0.003
|
|
Insoluble Matter in Water
|
%≤
|
0.005
|
0.03
|
0.02
|
0.05
|
|
Burnt Loss
|
%≤
|
0.6
|
0.8
|
1.00
|
1.00
|
COA:
| APPEARANCE | WHITE GRANULE |
| K2CO3 % | 99.5 Min |
| KCL % | 0.01 Max |
| K2SO4 % | 0.01 Max |
| Fe% | 0.001 Max |
| Water insoluble % | 0.02 Max |
| Heating loss % | 0.60 Max |
| Stacking density(g/ml)% | 1.3 Min |
Potassium carbonate, also known as potash or pearl ash, appears as a white powder or as colorless solid crystal with salty taste and deliquescence. It can be dissolved in water to form a strongly alkaline solution. However it is insoluble in organic solvents such as ethanol. It has strong hygroscopicity. It is easily caked and turns into potassium bicarbonate by absorbing carbon dioxide when expose to air for a long time.
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