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Di Potassium hydrogen Phosphate Trihydrate low price DKP potassium fertilizer 99%min purity dipotassium Phosphate Trihydrate
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
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
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CAS NO:7778-77-0
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