 Origin |
China |
| CAS No. |
16788-57-1 |
| Purity |
Molecular weight: 228.23 |
Properties:
1. Appearance: white or colorless crystals or powder;
2. Easy to absorb moisture;
3. Solubility: easy to dissolve in water and slightly dissolve in alcohol;
4. Its water solution is slightly alkaline;
5. The relative density of anhydrous crystals is 2.338;
6. Dehydration of molecular is at 204 degree centigrade.
Technical Specification:
1.Industrial grade:
(1)Main content: 98.0% min.
(2)P2O5: 30.50% min.
(3)K2O: 39.5% min.
(4)pH of 1% water solution: 8.8-9.2
(5)Water insoluble: 0.10% max.
(6)Moisture: 3.0% max.
2.Food grade:
(1)Main content: 98.0% min.
(2)P2O5: 30.50% min.
(3)K2O: 39.5% min.
(4)pH of 1% water solution: 8.8-9.2
(5)Water insoluble: 0.10% max.
(6)Arsenic, as As: 0.0003% max.
(7)Fluoride, as F: 0.003% max.
(8)Heavy metal, as Pb: 0.001% max.
(9)Moisture: 3.0% max.
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