Customization: | Available |
---|---|
CAS No.: | 7758-11-4 |
Formula: | K2hpo4 |
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NO. | Item | Standard | Result |
1 | Main content % ≥ | 98.0 | 99 |
2 | Phosphorus pentoxide P2O5 % ≥ | 30.2 | 31.1 |
3 | K2O % ≥ | 40.5 | 41.5 |
4 | PH value | 8.8-9.6 | 9.3 |
5 | Water insoluble % ≤ | 0.25 | 0.1 |
6. | Heavy metals,as Pb %≤ | 0.005 | 0.004 |
7. | Arsenic ,as As % ≤ | 0.005 | 0.003 |
8. | Chlorides, as Cl % ≤ | 0.5 | 0.38 |
Specification | GB 1886.334-2021 | FCC VII | |
Content(Dry Basis), w% ≥ | 98 | 98 | |
As, mg/Kg ≤ | 3 | 3 | |
Fluoride,mg/Kg ≤ | 10 | 10 | |
Heavy Metals (Pb), mg/Kg ≤ | 10 | ---- | |
Insoluble Substances, w% ≤ | 0.2 | 0.2 | |
Lead (Pb), mg/Kg ≤ | 2 | 2 | |
Loss on drying, w% | Anhydrous ≤ | 2.0 | 2.0 |
Trihydrate | 20.0-30.0 | ---- | |
pH Value (10g/L) | 9.0±0.4 | ---- |