Executive Standard：GB1886.15-2015
Chemical Formula：H3PO4
| NO. | Items | Standard | Internal Standards |
| 1 | Phosphoric Acid (H3PO4)，w/% ≥ | 75.0-86.0 | 85.0 |
| 2 | Fluoride as F, (mg/kg) ≤ | 10 | ＜10 |
| 3 | Heavy Metals as Pb, (mg/kg) ≤ | 5.0 | ＜5.0 |
| 4 | Arsenic as As, (mg/kg)） ≤ | 0.5 | <0.5 |
| 5 | Easily Oxidized Substances(as H3PO) (w/%) ≤ | 0.012 | 0.010 |
Application Field:
Used as sour agent, nutrient agent of yeast.
