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Ammonium dihydrogen phosphate

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Time:2018-04-07 20:27:03   
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Detailed introduction:
Detailed introduction:
Chemical formula: NH4H2PO4  
Molecular weight: 115
Executive Standard: Q/62089823-7.1-2002
Properties: White granular crystals, relative density 1.803, melting point 190°C, soluble in water, slightly soluble in alcohol, insoluble in ketones, 1% aqueous solution pH 4.5. 

Technical indicators:

 No.  Index name  Industrialgrade  Giftedclass
 1  Maincontent(measuredbyNH4H2PO4)%≥  99.0  99.0
 2  P2O5                                                      %≥  61.0  61.0
 3  Nitrogen (in N)                                     %≥  11.8  11.8
 4  pH value (1% aqueous solution)  4.4-4.8  4.4-4.8
 5  Water                                                    %≤  0.1  0.1
 6  Heavy metal (Pb)                                  %≤  -   0.001
 7  Arsenic (calculated as As)                    %≤  -  0.0003
 8  Fluoride (in F)                                       %≤  -  0.002
 9  Water insoluble matter                       %≤  0.10  0.05

Uses: mainly used for wood, paper, fabric fire retardant, fire retardant coating additives, dry powder fire extinguishing agents. It is used as a starter, nutrient, etc. in the food industry. In agriculture, it is used as a chlorine-free N, P binary compound fertilizer, and its total nutrient content (N+P2O5) is 73%. It is a high-quality basic raw material for formulating N, P and K ternary compound fertilizers.
Packing: Inner plastic outer packing, net weight 25, 50, 1000Kg per bag, stored in ventilated and dry place.

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