China High Purity Natural Cholecalciferol Vitamin D3 Powder with Famiqs, Find details about China Vitamin D3, Cholecalciferol Powder Feed Grade from High Purity Natural Cholecalciferol Vitamin D3 Powder with Famiqs
Testing Item | Standard | Result |
Vitamin D3 Content | ≥500,000IU/g | 506,800IU/g |
Appearance | White or almost white crystals | Complies |
Identification | EP/USP | Positive |
Specific optical rotation | +105.0°- +112.0° | +109.6° |
Loss on drying | 5.0% max | 4.1% |
As | 1ppm max | 0.1ppm |
Heavy metals(pb) | 20ppm max | 3ppm |
Granularity | (1)100%go through the sieve of 0.85mm (US standard mesh sieve No.20) (2)More than 85% go through the sieve of 0.425mm (US standard mesh sieve No.40) | (1) 100% (2) 97.6% |