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Phosphoric Acid For treating activated carton and metal surfaces.
Phosphoric Acid
colorless and transparent or light-colored thick lucid;pour phosphoric acid is colorless and smell-less crystal and has a sour taste;melts at 42.4 and boils at 260;has relative density of 1.70(water=1)(pour 1.87),a relative vapor density of 3.38 and a saturation wapor pressure (kpa) 0.67(pour at 25);miscible in water and ethyl alcohol .
USE:
1.Phosphoric Acid technicalgrade:used for treating activated carton and metal surfaces,feedstock of phosphate,catalyst for organic chemcial reactions,and additive of five-proof materials.
2.Food grade phosphate:served as cleaner and acidity in food and dring;nutrient for yeast;and feedstock of phosphates.
| Item | Value | |||||||
| Industry Grade | Food Grade | |||||||
| 85% | 75% | |||||||
| Excellent | Grade 1 | Grade 2 | Excellent | Grade 1 | Grade 2 | |||
| Colority≤ | 20 | 30 | 40 | 20 | 30 | 40 | 20 | |
| Content(H3PO4),%≥ | 85 | 85 | 85 | 75 | 75 | 75 | 75.0-86.0% | |
| Chloride(Cl),%≤ | 0.0005 | 0.0005 | 0.001 | 0.0005 | 0.0005 | 0.001 | ||
| Sulphates(SO4),%≤ | 0.003 | 0.005 | 0.01 | 0.003 | 0.005 | 0.01 | ||
| Iron(Fe),%≤ | 0.002 | 0.002 | 0.005 | 0.002 | 0.002 | 0.005 | ||
| Arsenic(As),%≤ | 0.0001 | 0.005 | 0.01 | 0.0001 | 0.005 | 0.01 | 0.00005 | |
| Arsenic(Pb),%≤ | 0.001 | 0.001 | 0.05 | 0.001 | 0.001 | 0.05 | 0.0005 | |
| Heavy metal(F),%≤ | 0.001 | |||||||
| Easily oxidated matter (H3P03),%≤ | 0.012 | |||||||
phosphoric acid
