Chemical name：Zinc Oxide
Molecular Formula：ZnO
Properties: White amorphous powder without smell. Tasteless. No sand feeling. change the nature gradually by absorbing carbon dioxide from the air Ershi. When heated becomes yellow. When Coolingthe color turn white again. Not dissolve in water and ethanol. Soluble in dilute acid and alkali.
Usage: Nutrition supplements (zinc enhancer).
Quality Standard：CP2005 version of Part II
|
item |
standard |
|
Characters |
White or very pale yellow non―sandy fine powder, odorless |
|
alkalinity |
meet the requirements |
|
acid insoluble carbonate |
meet the requirements |
|
Ignition Loss(%) |
≤ 1.0 |
|
molysite(ppm) |
50max |
|
Arsenic salt(ppm) |
2 max |
|
lead salt |
meet the requirements |
|
compliant content(%) |
99.0min |
Packaging: 25KG / box
Transportation: avoid sun and rain, be transported as general chemicals but with no toxic, hazard materials.
Storage: stored in dry clean dark environment, and not be mixed with toxic substances to avoid contamination.
Shelf life: two years |
