Specification :

Molecular formula: Zno Molecular weight: 81.39
White or fine spherical powder, specific gravity 5.5
6.5g/ cm3, granularity 0.15
0.7¼ m, refraction index 1.95
2.05, the specific heat 0.0915c/ g at 20 , meltingpoint 1973 , it has the phenomenon of evaporation at 1000 .
Chemical property:
` zinc oxide can be restore to the original state by carbon, carbon monoxide and hydrogen at high temperature.
a Zinc oxide is an amphoteric-oxide, which is slight soluble or insoluble in water. It generate relevant arsoniumsalt after reaction with acid, Zn( OH) 2 after reaction with alkali and basic zinc carbonate reaction with carbon dioxide and other acid gases.
Execution standard: HHXPQB-YHX( YGP) -2005
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