Customization: | Available |
---|---|
CAS No.: | 7778-53-2 |
Formula: | K3po4 |
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ITEM | SPEC | RESULT |
CONTENT(KH2PO4) | 98%MIN. | 99.53% |
K2O | 34.0%MIN | 34.8% |
AVAILABLE P2O5 | 51.5%MIN | 52.01% |
PH VALUE 30g/L | 4.4-4.8 | 4.7 |
INSOLUBLE MATTER IN WATER | 0.1%MAX. | 0.004% |
MOISTURE | 0.5%MAX | 0.1% |
HEAVY METALS,as Pb | 0.001%MAX | 0.0004% |
IRON (Fe) | 0.003%MAX | 0.001% |
ARSENIC, as As | 0.003%MAX | 0.0003% |
CHLORIDES, as Cl | 0.2%MAX | 0.001% |
NO. | Item | Standard | Result |
1 | Maincontent % ≥ | 99.0 | 99.6 |
2 | K2O % ≥ | 34.0 | 34.5 |
3 | Moisture % ≤ | 0.2 | 0.12 |
4 | PH of 1% solution | 4.4-4.8 | 4.5 |
5 | Phosphorus pentoxide % | 51.5 | 52.3 |
6 | Water insoluble % ≤ | 0.1 | 0.02 |
7 | Fluoride, as F % ≤ | 0.005 | 0.0012 |
8 | Arsenic, as As % ≤ | 0.0003 | 0.0001 |
9 | Lron (Fe) % ≤ | 0.003 | 0.001 |
10 | Lead,(As) Pb % ≤ | 0.001 | 0.0002 |