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Nano-zinc Oxide for Desulfurizer
Nano-zinc oxide is a novel inorganic material with excellent properties, which is emerged in recent years. A large quantity of surface defects and oxygen vacancies are generated on the surface of nano-zinc oxide with its particle diameter reduced and specific surface area increased, so the sulfur capacity of nano-zinc oxide is far higher than that of analytically pure zinc oxide at room temperature.
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Item
|
Index
|
|
|
Zinc oxide (ZnO)/% ≥
|
97.0
|
95.0
|
|
Average particle size of electronic speculum/nm ≤
|
57
|
100
|
|
Average particle size of XRD line broadening method/nm ≤
|
52
|
100
|
|
Specific surface area/(m2/g) ≥
|
62
|
65
|
|
Aggregation index ≤
|
60
|
100
|
|
Lead (Pb)/% ≤
|
0.0005
|
0.0005
|
|
Manganese (Mn)/% ≤
|
0.0001
|
0.0001
|
|
Copper (Cu)/% ≤
|
0.0001
|
0.0001
|
|
Cadmium (Cd)/% ≤
|
-
|
-
|
|
Mercury (Hg)/% ≤
|
-
|
-
|
|
Arsenic (As)/% ≤
|
-
|
-
|
|
105℃ volatiles/% ≤
|
0.4
|
0.5
|
|
Water solubles/% ≤
|
0.41
|
0.5
|
|
HCl insolubles/% ≤
|
0.02
|
0.02
|
|
Loss on ignition/% ≤
|
2
|
2
|