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Di Potassium hydrogen Phosphate Trihydrate low price DKP potassium fertilizer 99%min purity dipotassium Phosphate Trihydrate
DIPOTASSIUM PHOSPHATE TRIHYDRATE
Chemical formula: K2HPO4.3H2O
Molecular weight: 228.22
Properties: White crystal. Easily soluble in water, and slightly soluble in alcohol. And its water solution shows weak alkalinity.
Specification:
Specification |
Tech grade |
High purity grade |
Feed grade |
|
Appearance |
White crystal |
|||
Main contents |
%≥ |
98.00 |
98.00 |
97.00 |
Phosphorus pentoxide, as P2O5 |
%≥ |
30.50 |
30.50 |
- |
Potassium oxide, as K2O |
%≥ |
40.40 |
40.40 |
- |
Water insoluble |
%≤ |
0.2 |
0.2 |
0.2 |
Arsenic, as As |
%≤ |
0.005 |
0.0003 |
0.001 |
Heavy metal, as Pb |
%≤ |
0.005 |
0.001 |
0.003 |
Lead, as Pb |
%≤ |
- |
0.0002 |
- |
Fluoride, as F |
%≤ |
0.05 |
0.001 |
0.05 |
PH value of 1% solution |
-- |
8.6-9.4 |
8.6--9.4 |
8.6-9.6 |
CAS NO:16788-57-1
CAS NO:7783-28-0
CAS NO:7722-76-1
CAS NO:7778-77-0
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