Complaint
| Assay(Na2PO3F) | Not less than 95.0% |
| PH Value (2% solution) | 6.5 to 8.0 |
| Total Fluoride (F) | Not less than 13.0% |
| Free Fluoride | Not more than 0.68% |
| MFP purity as fluride | Not less than 12.54% |
| Loss on Drying | Not more than 0.2% |
| Water insoluble matter | Not more than 0. 15% |
| Heavy Metals (as Pb) | Not more than 20ppm |
| Lead as Pb(Pb) | Not more than 2ppm |
