Specification of Isotopically Depleted Zinc Oxide fine grade
This specification establishes the requirements for isotopically depleted Zinc Oxide (DZO) with particle size < 15 μm the physical and chemical properties.
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Physical properties
Chemical properties
Specific impurity limits per element
Physical properties
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Isotopic composition 64Zn:>>
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< 1.0 atomic % >
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Physical form>
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Powder >
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Particle size >
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<15 mm>
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Surface area (by BET)>
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5-15 m2/g>
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Moisture loss @ 110 °C>
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<0.2 weight %>
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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 |
| Fe |
Fluorine |
20 |
| Hf |
Hafnium |
10 |
| I |
Iodine |
10 |
| In |
Indium |
10 |
| K |
Potassium |
10 |
| Li |
Lithium |
10 |
| Mg |
Magnesium |
10 |
| Mn |
Manganese |
10 |
| Na |
Molybdenum |
10 |
| Ni |
Sodium |
10 |
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Nickel |
10 |
| P |
Phosphorous |
10 |
| Pb |
Lead |
10 |
| S |
Sulphur (as sulphateSO42-) |
10 |
| Sb |
Antimony |
10 |
| Se |
Selenium |
10 |
| Si |
Silicon |
50 |
| Sn |
Tin |
10 |
| Sr |
Strontium |
10 |
| Ti |
Titanium |
10 |
| V |
Vanadium |
10 |
|
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remaining impurities(each) |
10 |