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Zinc oxide is emerging in recent years a new type of high performance inorganic materials. As a result of the reduced size and increased surface area, in the Zinc oxide surface to produce a large number of surface defects and oxygen vacancies, making Zinc oxide sulfur capacity of the room temperature is much higher than zinc oxide.
Item |
Quality |
||
ZnO/% ≥ |
99.0 |
97.0 |
95.0 |
Grain size (um) ≤ |
20 |
57 |
100 |
XRD /nm ≤ |
20 |
52 |
100 |
Surface proportion (m2/g)≥ |
60 |
62 |
65 |
Join index≤ |
50 |
60 |
100 |
Lead oxide( Pb )/%≤ |
0.0005 |
0.0005 |
0.0005 |
Manganese Oxide /% ≤ |
0.0001 |
0.0001 |
0.0001 |
Cupric oxide(Cu)/%≤ |
0.0001 |
0.0001 |
0.0001 |
Cd/%≤ |
0.0002 |
- |
- |
Hg/%≤ |
0.0001 |
- |
- |
As/%≤ |
0.0001 |
- |
- |
105oc volatile substances %≤ |
0.30 |
0.4 |
0.5 |
Water dissoluble % ≤ |
0.10 |
0.41 |
0.5 |
Hydrochloric acid insoluble %≤ |
0.02 |
0.02 |
0.02 |
Burning decrement%≤ |
2 |
2 |
2 |
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