| ≥1 piece |
|
Item
|
Specification
|
|
Purity
|
99% Min
|
|
Assay(on dry materils)
|
500,000IU/G Min
|
|
Loss on drying
|
5.0% max
|
|
Heavy metals(Pb)
|
10ppm max
|
|
Particle size
|
100% pass through 40 mesh screen
|