Diammonium phosphate DAP

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Time：2018-04-09 21:45:28

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Detailed introduction：

Detailed introduction:

Chemical formula:(NH₄)₂HPO₄
Molecular weight:132.0
Executive standard:Q/62089823-7.1-2002
Properties: White granular crystals, relative density 1.619, melting point 155°C, soluble in water, insoluble in alcohol, 1% aqueous solution pH 8.0, gradually losing ammonia in the air to produce ammonium dihydrogen phosphate.

Technical indicators:

No.	Index name	Industrialgrade	Gifted class
1	Maincontent[calculatedby(NH4)2HPO4]%≥	99.0	99.0
2	P₂O₅%≥	53.0	53.0
3	Nitrogen (in N) %≥	20.8	20.8
4	pH value (1% aqueous solution)	7.8-8.2	7.8-8.2
5	Water %≤	0.15	0.15
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, also used as fire retardant coating additives, but also for printing plate and pharmaceutical manufacturing. 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 74%. 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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