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 a relative density of 1.70 (water = 1) (pour 1.87) , a relative vapor density of 3.38 and a saturation vapor pressure (kPa) 0.67 (pour at 25); miscible in water and ethyl alcohol
Numbers | Names | Unit | Phosphoric Acid (for food) | Phosphoric Acid ( for industry) |
1 | chroma | % | 20 | 20 |
2 | Purity | % | 85 | 85 |
3 | As (arsenic) | PPM | 0.5 | 1 |
4 | Pb (lead) | PPM | 5 | 10 |
5 | Chloride | PPM | 5 | 5 |
6 | Sulphate | PPM | 50 | 50 |
7 | Fluoride | PPM | 10 | |
8 | Fe Fe | PPM | 20 | |
9 | Oxide | PP | 120 |
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