Features Specifications:Zinc Oxide 90-100.5% (ZnO)
pharmaceutical material Zinc oxide
Properties:
Molecular formula: ZnO Molecular weight : 81.39 white /slight yellow fine powder , specific gravity 5.56.5 , granularity 0.150.7um , refractive index is 1.952.05 , specific heat in 20'C 0.0915 ka. /g.'C , melting point 1973'C , Zinc oxide evaporates in 1000 'C.
Standard: Company standard : SCY 2000-1
Technical index :
Item
Value
Zinc oxide ( ZnO dry ),% ≥
99.0-100.5
Fe, ppm ≤
200
Pb,ppm ≤
50
Arsenic As,ppm ≤
5
Cd,ppm ≤
10
Loss on ignition 500'C,% ≤
1.0
Alkalinity
qualified
Carbonate and insoluble ammter in acid
qualified
medicine grade Zinc oxide in accordance with USP23 , medicine grade Zinc oxide in accordance with BP98
Uses:
pharmaceutical material Zinc oxide can be used in medicine
Packing, transportation and storage :
pharmaceutical material Zinc oxide
plastic bag or waterproof bag lined plastic woven bag , Net Wt. 50kg . size is : 580 × 1250mm . It should ve protected by covers when transportation , avoid rain, moisture, or mixed with acidic matter . packed in dry and airiness place, no contact with acid and alkali , In good condition, its valid period is an half year (the packing should be sealed), if expired, qualified product is still available .
Zinc Oxide 90-100.5% (ZnO)
