Depleted Zinc Oxide pellets

Specification of Isotopically Depleted Zinc Oxide pellets

This specification establishes the requirements for isotopically depleted Zinc Oxide (DZO) the physical and chemical properties.

Please click on the links below to view the tables:

Physical properties
Chemical properties
Specific impurity limits per element

Physical properties  

Isotopic composition 64Zn: 1.0 atomic
Physical form pellets
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 (as sulphate/SO42-) 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(each) 10

    Pellets must be handled, stacked, stored and moved in a manner that prevents physical damage or contamination
    Packaging material in contact with Zinc Oxide Pellets shall be polyethylene or equivalent material freefrom halides or sulphides.
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