Sodium ascorbate is widely used in food, beverage, cultivation and animal feed additives, and some other fields.
Specification:
| Test Item | Unit | The Standard |
| Appearance | White to slightly yellow crystalline powder | |
| Identification | Positive | |
| Assay | % | 99.0-101.0 |
| Sulphate | ppm | 150 Max |
| PH(10%, W/V) | 7.0-8.0 | |
| Specific rotation | +103º~+106º | |
| Impurity E | % | 0.3 Max |
| Copper | ppm | 2 Max. |
| Heavy Metals(as Pb) | ppm | 3 Max. |
| Mercury | ppm | 1 Max |
| Lead | ppm | 2 Max |
| Arsenic | ppm | 3 Max. |
| Nickel | PPM | 1 Max |
| Oxalic Acid | % | 0.2 Max. |
| Iron | ppm | 2 Max. |
| Loss of drying | % | 0.25 Max. |
|
Residual solvents
(as Methanol) |
ppm | 3000 Max. |
| Related substances |
Impurity C≤0.15%
Impurity D≤0.15% Other unspecific impurities≤0.10% Total impurity≤0.2% |
|
| Total plate count | Cfu/g | ≤1,000 |