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Ammonium dihydrogen phosphate (MAP)
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Synonym: Mono-Ammonium Phosphate
Chemical formula: NH4H2PO4
Molecular weight: 115.02
Standard executed: Q/7089476401-1998
Properties: White crystals, relative density is 1.803, melting point is 190¡ãC, easy to dissolve in water and less to dissolve in alcohol, PH value of 1%water solution is 4.5.
Applications: Monoammonium Phosphate is mainly used for the fireproofing agent of wood, paper and textile, and also for additive of fireproofing dopes, powder fireproofing agent ,leaven and nutrient in food industry, and high-efficiency compound fertilizer.
Package and storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg,50kg and 100kg. keep in dry and windy conditions.
Technical Specifications:
|
No. |
standard name |
industrial grade |
food grade |
|
1 |
Main content(as NH4H2PO4)%> |
99.0 |
99.0 |
|
2 |
Phosphorus pent-oxide(as P2O5)%> |
61.0 |
61.0 |
|
3 |
Nitrogen(as N)%> |
11.8 |
11.8 |
|
4 |
PH value |
4.4-4.8 |
4.4-4.8 |
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5 |
Moisture%< |
0.2 |
0.2 |
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6 |
Heavy metal(as Pb)%< |
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0.001 |
|
7 |
Arsenic(As)%< |
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0.0003 |
|
8 |
Fluoride(as F)%< |
|
0.005 |
|
9 |
Water insoluble %< |
0.10 |
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