Properties:
1. Appearance: colorless crystal;
2. Relative density: 1.915;
3. Melting point: 57.4 degree centigrade;
4. Solubility: all easily soluble in water, but not in organic solution.
Technical specifications:
1.Industrial grade:
(1)Main content: 98.0% min.
(2)P2O5: 44.6% min.
(3)pH of 1% water solution: 4.2-4.6
(4)Water insoluble: 0.10% max.
(5)Sieve test(Through 60 mesh): 90% min.
2.Food grade:
(1)Main content: 98.0% min.
(2)P2O5: 44.6% min.
(3)pH of 1% water solution: 4.2-4.6
(4)Water insoluble: 0.05% max.
(5)Arsenic, as As: 0.0003% max.
(6)Fluoride, as F: 0.002% max.
(7)Heavy metal, as Pb: 0.001% max.
(8)Sieve test(Through 60 mesh): 90% min.
Application:
1. Industrial grade: Used for water treatment of boiler, also as buffering agent to acidity, ***ergent, etc;
2. Food grade: mainly used as food additive, emulsification agent, nourishment agent, etc.
Packaging: Plastic-woven sack with polythene inner bag. Net weight: 25kg, 50kg or 1000kg. Stored in ventilated and dry place.
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