Description
Specification Of Sodium Ascorbate
Item | Specification | Result |
Appearance | White to slightly yellow crystalline powder | White crystalline powder |
Identification | Positive | Positive |
Heavy Metals | 0.001% max | <0.001% |
Lead | 0.0002% max | <0.0002% |
Arsenic | 0.00% | <0.0003% |
Mercury | 0.0001% max | <0.0001% |
Zinc | 0.0025% max | <0.0025% |
Copper | 0.0005% max | <0.0005% |
Specific rotation | -5 | 104 |
PH (10%, W/V) | 7.0-8.0 | 7.5 |
Loss on Drying | 0.25% max | 0.06% |
Assay | 99.0%-101.0% | 99.40% |
Particle size: | 90% min | 99.20% |
Through US 40mesh | ||
Residual solvents | Meets USP requirement |