| 详细内容 : |
DIAMMONIUM PHOSPHATE (DAP)
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
|
|
