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plastic woven sack
Chemical formula: NH4H2PO4
Molecular weight: 115.0
Standard executed: Q/62089823-7.1-2002
Properties: White granular crystal; relative density is 1.803(19 degree centigrade) , melting point is 190 degree centigrade, easily soluble in water, slightly soluble in alcohol, insoluble in acetone, pH value of 1% water solution is 4.5
1. Industrial grade:
(1) Main content: 99.0% min. (2) P2O5: 61.0% min. (3) Nitrogen, as N: 11.8% min. (4) pH of 1% water solution: 4.4-4.8 (5) Water insoluble: 0.10% max. (6) Moisture: 0.1% max.
2. Food grade:
(1) Main content: 99.0% min. (2) P2O5: 61.0% min. (3) Nitrogen, as N: 11.8% min. (4) pH of 1% water solution: 4.4-4.8 (5) Water insoluble: 0.05% max. (6) Arsenic, as As: 0.0003% max. (7) Fluoride, as F: 0.002% max. (8) Heavy metal, as Pb: 0.001% max. (9) Moisture: 0.1% max.
Application: Used 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 agent, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 73% fertilizer elements (N+P2O5) , and may be used as a basic raw material for N, P and K compound fertilizer.
Packaging: Plastic-woven sack with polythene inner bag, Net weight: 25kg, 50kg or 1,000kg. Stored in ventilated and dry place.