Pharmaceuticals & Cosmetics
►USP Zinc Oxide is used in the production of lotions, sunscreens, and diaper rash prevention creams.
►Cosmetic manufacturers use zinc oxide as a UV absorber.
►Zinc oxide is used by manufacturers of dietary supplements (essential for the human body) and is also used to manufacture zinc gluconate, now found in cold prevention lozenges.
Standard:
Item |
Index |
Zinc oxide(as Zno)%,≥ |
99.80 |
Metal zinc (as Zn) %,≥ |
No |
Lead oxide(as Pb)%,≥ |
0.003 |
Potassium oxide(as K)%,≥ |
0.001 |
Sodium oxide(as Na)%,≥ |
0.001 |
Ferric oxide(as Fe)%,≥ |
0.002 |
Cadmium oxide(as Cd)%,≥ |
0.005 |
Lead oxide(as Pb)%,≥ |
0.037 |
Copper oxide(as Cu)%,≥ |
0.0002 |
Metal oxide(as Zn)%,≥ |
No |
Moisture%,≥ |
0.3 |
Insoluble matter in HCI%,≤ |
0.006 |
Loss on ignition%≤ |
0.2 |
PH value |
7.0-8.0 |
Average size(um) ,≤ |
0.5 |
Residue on sieve%,≤ |
0.1 |