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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.
Mwanzo
1 day
Maagizo
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.
Vifaa kwa hatua hii:
Kabonati ya shaba1 as requiredZana zinazohitajika:
Kikaango cha kuyeyushia chenye mfuniko (kaure)
Tanuri ya muffle
Koleo la kaure ya kuyeyushia
Glavu Zinazostahimili Joto2
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.
Zana zinazohitajika:
Chupa za kioo zenye viziboVifaa
1- 1 as requiredKishikilia Nafasi
Zana Zinazohitajika
5- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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