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Synonym: Potash |
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Molecular formula: K2CO3 |
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Molecular weight: 138.20 |
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Specific gravity: 2.29 |
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Melting point: 891°C |
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Character: It is white powder or granule. Easily deliquesced when exposed in air. Dissolve easily in water, not dissolved in ethanol and ether. |
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Quality index: |
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Index name |
Index value |
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Superior product |
First grade |
Qualified |
Color-grade |
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Potassium carbonate (K2CO3)≥ |
99.00% |
98.50% |
96.00% |
99.00% |
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Chloride (KCl)≤ |
0.01% |
0.10% |
0.20% |
0.03% |
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Sulphate (K2SO4)≤ |
0.01% |
0.10% |
0.15% |
0.04% |
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Ferric (Fe)≤ |
0.00% |
0.00% |
0.01% |
0.00% |
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Water insoluble ≤ |
0.02% |
0.05% |
0.10% |
0.04% |
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Ignition loss ≤ |
0.60% |
1.00% |
1.00% |
0.80% |
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Analytical standard: according to GB/T1587-2000 standard. |
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Use: It is used in production of glass, inorganic salts, food additive, pharmaceuticals, agrochemicals, dye and pigments. |
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Packing: Net food-grade polyethylene liner installed 25/50/500/1000kg plastic film bags, jackets woven polypropylene. |
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Storage and transportation: Stored in a cool, dry, well-ventilated area or cabinet. |
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