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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

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