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Depleted Zinc Oxide Specifications
 

Depleted Zinc Oxide Pellets

Physical Properties

Isotopic composition 64Zn: < 1.0 atomic %
Physical form pellets
Particle size <2.5 microns
Diameter (D in mm) 10.0±1.0 mm
 Length (L in mm) 10.0±1.0 mm
Fired density: ≥ 5.0 g/cm3
Voids, laminations from firing cracks: Unacceptable
Surface scratches of any length: Acceptable if the depth is <0.5 mm
Indentations of any diameter: Acceptable if the depth is <0.5 mm
Margin chips of <1 mm in any direction Acceptable
 
Chemical Properties
Chemical form: ZnO
Chemical purity of dry basis: > 99.8 weight %
 
Specific Impurity Limits per Element (max) in ppm (μg/g ZnO)
Element Symbol Impurity limits ppm (μg/g)
Ag         Silver 10
Al     Aluminium 50
As Arsenic 10
B Boron 10
Bi Bismuth 10
Ba Barium 10
Br Bromine 10
C Carbon (total) 500
Ca Calcium 10
Cd     Cadmium 10
Cl Chlorine 20
Co Cobalt 10
Cr Chromium 10
Cu Copper 10
F Fluorine 20
Fe Iron 10
Hf     Hafnium     10
I Iodine 10
In Indium 10
K Potassium 10
Li Lithium     10
Mg Magnesium 10
Mn Manganese  10
Mo Molybdenum 10
Na Sodium 10
Ni Nickel 10
P Phosphorous 10
Pb Lead 10
S Sulphur 10
Sb Antimony 10
Se Selenium 10
Si Silicon 50
Sn Tin 10
Sr Strontium 10
Sr Strontium 10
Ti Titanium 10
V Vanadium 10
  remaining impurities (ea.) 10