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Potassium Dihydrogen Phosphate Monobasic Feed Grade Mineral Feed Additives
1.high purity with low content of heavy mental, Arsenic, Fluoride etc.
2.factory direct and stable supply, quality supervise and control
3.good after sales service
4.Certificate: FAMI-QS
Monopotassium Phosphate
Molecular formula: KH2PO4
Molecular weight: 136.09
Properties: white crystal. Relative density is 2.338, and melting point is 252.6 centigrade. It is soluble in water and insoluble in ethanol, and water solution shows acidity. It melts and becomes transparent liquid at 400 centigrade. After refrigerating, it becomes opaque potassium metaphosphate. It is easy to deliquesce.
Standard executed: HG/T 4511-2013 and GB 25560-2010 HG/T 2860-2011
Specifications |
Tech grade |
High purity grade |
Feed grade |
|
Appearance |
White or colorless crystal powder |
|||
Main contents |
%≥ |
98.00 |
99.00 |
98.00 |
Phosphorus pentoxide, as P2O5 |
%≥ |
51.20 |
51.70 |
P-22.3 |
Potassium oxide, as K2O |
%≥ |
33.50 |
34.00 |
K-28 |
Water insoluble |
%≤ |
0.2 |
0.2 |
- |
Arsenic, as As |
%≤ |
0.005 |
0.0003 |
0.001 |
Heavy metal, as Pb |
%≤ |
0.005 |
0.001 |
0.002 |
Lead, as Pb |
%≤ |
- |
0.0002 |
- |
Fluoride, as F |
%≤ |
0.05 |
0.001 |
0.18 |
PH value of 1% solution |
-- |
4.3--4.7 |
4.2--4.7 |
- |
Moisture |
%≤ |
0.2 |
0.2 |
0.5 |
Chloride(as Cl) |
%≤ |
- |
- |
1.0 |
Sulphate(as SO4) |
%≤ |
- |
- |
0.5
|
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