Product Description
Zinc Oxide
Appearance: White or yellowish white, very fine sand-free powder; odorless; in the air Can slowly absorb carbon dioxide.This product is insoluble in water or ethanol; in acid or sodium hydroxide solution to dissolve.
Page number:2010 Chinese pharmacopoeia-820
Molecular formula::ZnO
Statutory No:CAS 1314-13-2
Molecular weight:81.38
Usage: Nutritional supplement(Zinc fortification) .
Packaging and storage:Preserve in well-closed container,25kg/paper plastic complex bag,or according to order.
Shelf life: In conform to the specified storage conditions and packaging is complete, shelf life is 2 years.
|
Item
|
Index(USP35)
|
|
Assay ZnO ≥%
|
99
|
|
Alkalinity
|
Meet the requirements
|
|
Carbonate and color of solution
|
Meet the requirements
|
|
Loss on ignition ≤%
|
1
|
|
Iron and other heavy metals ≤%
|
0.005
|
|
Lead
|
Meet the requirements
|
|
Arsenic ≤%
|
0.0002
|