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Monoammonium Phosphate MAP

addtime:2010-4-27  from:   Reads:3626

Mono Ammonium Phosphate
Molecular formula: NH4H2PO4
Molecular weight: 115.0
Standard executed: Q/70894764 01-1998
Properties: White granular crystal; relative density at 1.803, melting point at 190, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
Uses:
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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. Its total nourishment (N+P2O5) is at 73%, and may be 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.
Guaranteed Technical Specifications :
No
Specifications
Industrial Grade
Food Grade
1
Main contents% ≥
98.0
98.0
2
Phosphorus pentoxide% ≥
61.0
61.0
3
Nitrogen, as N % ≥
11.8
11.8
4
PH of 1% water solution
4.4-4.8
4.4-4.8
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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