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Synonym: Potash
Molecular Formula: K2CO3
Molecular Weight: 138.20
Density: 2.29
Melting point: 891°C
Characteristics: White powder or granule. Easily deliquesced in the air. Easily soluble in water, presenting alkaline solution, not dissolved in ethanol and ether.
CAS No.: 584-08-7
Analytial standard: GB/T 1587-2016
Applications: A basic fine potassium salt chemical material used in manufacture of optical glass, Electronic Product, fertilizer decarbonization, pharmaceuticals, agricultural chemical inorganic, dyes and pigments.
Packing: 25kg / 50kg /500kg / 1000kg net per PP woven bag with inner plastic bag.
Storage: Stored in a cool and dry warehouse, attention to moistureproof in transit.
Specifications:
| Index Name | Type I | Type II | |||
|---|---|---|---|---|---|
| Premium grade | First grade | Qualified grade | Premium grade | First grade | |
| K2CO3 w/% ≥ | 99.0 | 98.5 | 96.0 | 99.0 | 98.5 |
| Chlorides(KCl), w/% ≤ | 0.01 | 0.10 | 0.20 | 0.02 | 0.05 |
| Sulphate(K2CO4), w/% ≤ | 0.01 | 0.10 | 0.15 | 0.02 | 0.05 |
| Ferrum(Fe), w/% ≤ | 0.001 | 0.003 | 0.010 | 0.001 | 0.003 |
| Water Insolubles, w/% ≤ | 0.02 | 0.05 | 0.10 | 0.02 | 0.05 |
| Loss after burning % ≤ | 0.60 | 1.00 | 1.00 | 0.60 | 1.00 |
| Note: Loss on drying is only applicable to product packaging. | |||||
