Ammonium dihydrogen phosphate MAP

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Time：2018-04-09 21:55:26

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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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