Detailed content
Specification parameter
Product packaging
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% |
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