Product Description
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 |
Application