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Copper Oxide: Copper Carbonate Heated to Dull Redness
Black copper oxide, CuO, from the carbonate, as Thorpe's Dictionary (1912) gives it: heat copper carbonate to dull redness. Black copper oxide remains, a powder that takes up a little moisture.
The picture: our diagram.
初学者
1 day
说明
1
1
Heat to dull redness
Heat to dull redness
Heat copper carbonate to dull redness until it has turned to black copper oxide. No time is given. Ours: a crucible in a muffle furnace.
此步骤所需材料:
碳酸铜1 as required所需工具:
带盖坩埚(瓷质)
马弗炉
坩埚钳
耐热手套2
2
Cool and keep closed
Cool and keep closed
Copper oxide is a black powder and slightly hygroscopic. Ours: let it cool and keep it in a stoppered bottle.
所需工具:
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