Cureric Oxide, (black copper oxide) 氧化銅
CuO=79.54. Cu:79.88%, O:20.12%
物化性:
Occurs in nature as the minerals tenorite(triclinic crystals)
and paramelaconite(tetrahedral, cubic crystals) <== 結晶型態
Black to brownish-black amorphous or cryst powder or granules.
14
d = 6.315. Practically insol in water, alc(酒精). Sol in dil(稀釋的)
4
acids, alkali cyanides, (NH4)2CO3 soln; slowly sol in NH3.
用途:
As pigment in glass, ceramics,enalmels, porcelain glazes, artificial gems;
in manuf of rayon, other Cu compds; in sweeting petr gases; in galvanic
electrodes; as flux in Cu metallurgy; in correcting Cu deficiencies
in soil; as optical-glass poblishing agent; to impart flux-and
abrasion-resistance to glass fibers; in antifoulin paints, pyrotechnic
compositions; welding fluxes for bronze; as exciter in phosphor mixtures;
as catalyst for organic reactions.
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