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mono potassium phosphate MKP 98% min white crystal we specilized in this field for decades ,with high quality and pretty compet
Technical detail of MKP tech grade is as follow:
Items | Specification |
KH2PO4 % | >=98.03 |
P2O5 % | >=51.45 |
Moisture % | <=0.2 |
K2O % | >=51.45 |
Water insoluble % | <=0.1 |
PH value | 4.4--4.8 |
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Molecular formula: KH2PO4
Molecular weight: 136.09
Properties: Colorless cubic crystal or white crystal powder. Relative density is 2.338, and melting point is 252.6 centigrade. It is soluble in water and insoluble in ethanol, and the aqueous solution shows acidity. It melts and becomes transparent liquid at 400 centigrade. After refrigerating, it becomes opaque potassium metaphosphate. It is easy to deliquesce.
Specification: (reference standard)
items | unit | standard | |
technical grade | Low arsenic grade | ||
KH2PO4 | %≥ | 98.00 | 99.00 |
P2O5 | %≥ | 51.20 | 51.60 |
K2O | %≥ | 34.00 | 34.00 |
pH(3% solution) | -- | 4.3--4.7 | |
Chlorid (Cl-) | %≤ | 0.20 | 0.2 |
Fe | %≤ | -- | 0.003 |
Fluorid (F) | %≤ | -- | 0.001 |
As | %≤ | -- | 0.0003 |
Heavy metal (Pb) | %≤ | -- | 0.001 |
Water insolubles | %≤ | 0.20 | 0.10 |
Moisture | %≤ | 0.20 | 0.20 |
MKP 98%