Calcium Ascorbate
City: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | White to slightly yellow crystalline powder | White to slightly yellow crystalline powder |
Identification | Positive | Positive |
Assay | 98.0 – 100.5% | 99.5% |
Loss on Drying | ≤0.10% | 0.05% |
Specific Rotation | +95° – +97° | +96.2° |
pH (10% w/V) | 6.8 – 7.4 | 7.3 |
Heavy Metals
Analysis Item | Specification | Result |
Heavy Metals | ≤3 ppm | <3 ppm |
Arsenic (As) | ≤1 ppm | <1 ppm |
Lead (Pb) | ≤1 ppm | <1 ppm |
Cadmium (Cd) | ≤1 ppm | <1 ppm |
Mercury (Hg) | ≤0.1 ppm | <0.1 ppm |
Fluoride | ≤10 ppm | <10 ppm |
Residual Solvents
Analysis Item | Specification | Result |
Methanol | ≤3000 ppm | <3000 ppm |
Microbiological Tests
Analysis Item | Specification | Result |
Total Plate Count | ≤1000 CFU/g | <1000 CFU/g |
Yeast & Moulds | ≤100 CFU/g | <100 CFU/g |