Used as a high effective non-chloride N, P compound fertilizer in agriculture. Its total nourishment (N+P2O5 ) is at 73% up, and may be used as a basic raw material for N, P and K compound fertilizer.White crystal powder; Relative density at 1.803G/cm3, melting point at 190deg. C, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, pH value of 1% solution is 4.5.
ITEMS | STANDARDs |
Appearance | White Crystal |
Main contents % | >= 99 |
P2O5 % | >= 61 |
N % | >= 11.9 |
Moisture % | =< 0.2 |
Water insoluble % | =< 0.1 |
PH of 1% water solution | 4.2-4.8 |
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