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Name : Di Ammonium Phosphate (DAP)
Content :
Chemical formula:(NH4)2 HPO4
Molecular weight:132
Standard executed: Q/70894764 01-1998
Properties:
White granular crystal, relative density at 1.619, melting point at 155°C , easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0
Uses:
As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
Packing and storage:
In 25kg, 50kg, 1000kg net bage, store at a cool, dry and well ventilated place.
 
Technical Data:

No     Specifications
Industrial Grade
Food Grade
1       Main contents% ≥
99
99
2       Phosphorus pentoxide% ≥
53
53
3       Nitrogen, as N % ≥
20.8
20.8
4       PH of 1% water solution
7.8-8.2
7.8-8.2
5       Moisture% ≤
0.2
0.2
6       Heavy metals, as Pb % ≤
 
0.001
7       Arsenic, as As % ≤
 
0.0003
8       Fluoride as F % ≤
 
0.005
9       Water insoluble % ≤
0.10
0.10

 
 
 
 

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