Product Name:Vitamin D3 Powder 

Specifications:

Items	Specification	Results
Appearance	White crystal	Conforms
Identification	Meets the requirement	Conforms
Solubility	Meets the requirement	Conforms
Absorption Coefficient	465-495	493
Specific optical rotation	+105°- +112°	+106.1°
Assay(40Miu/g)	97%-103% (38,800,000-41,200,000IU/G)	98.0% 39,200,000IU/G
Heavy metal	≤0.002%	<0.001%
Arsenic	≤0.0001%	<0.0001%