| Testing Item | Standard | Result |
| Identification | Conforms to Standard | Conforms to Standard |
| Appearance | White Granules or Powder | White Granules |
| Heat Stability | No Change in Colour | No Change in Colour |
| Assay (On Dried Basis) /% | 99.0 - 101.0 | 100.6 |
| Melting Range for Sorbic Acid | Conforms to Standard | Conforms to Standard |
| Test for Potassium | Passes Test | Passes Test |
| Test for Potassium | Passes Test | Passes Test |
| Loss on Drying /% | ≤1.0 | 0.4 |
|
Acidity or Alkalinity
(as Sorbic Acid or K2CO3) |
Passes Test | Passes Test |
| Aldehydes (as Formaldehyde) /% | ≤ 0.1 | ≤ 0.1 |
| Arsenic | ≤ 3 mg/kg | ≤ 3 mg/kg |
| Lead | ≤ 2 ppm | ≤ 2 ppm |
| Mercury | ≤ 1 mg/kg | ≤ 1 mg/kg |
| Note: When a user with special requirements for fineness, negotiated by the supply and demand sides | ||
Polifar group is established in beautiful and economically developed city Nanjing in 2013.