copperastic
Hazard to Others
Posts: 158
Registered: 15-3-2014
Location: In your basement
Member Is Offline
Mood: Good
|
|
Dirty glassware
Hello, I was doing an experiment making copper carbonate like 6 weeks ago and when i was done there was some copper carbonate left in a beaker. I
waited to clean it (A bad decision) and now theres brown stuff thats impossible to get off on it. I have tried using vinegar, water, ethanol/methanol,
and a soup solution. If you have had this problem and have found a way to clean it please tell me how.
Thanks
|
|
|
HgDinis25
Hazard to Others
Posts: 439
Registered: 14-3-2014
Location: Portugal
Member Is Offline
Mood: Who drank my mercury?
|
|
The brown deposit is most likely Copper (II) Oxide, resulting from the decomposition of the carbonate.
Just use a concentrated acid solution, like hydrochloric acid, and it will probably dissolve. If it doesn't try heating the solution. Solvents like
alcohols and water are uneffective with oxides.
If you don't have any concentrated acids, try using vinegar but this time heat it to boiling.
|
|
|
copperastic
Hazard to Others
Posts: 158
Registered: 15-3-2014
Location: In your basement
Member Is Offline
Mood: Good
|
|
Ok thank you ill try that with HCl.
|
|
|
![[*]](images/xpblue/default_icon.gif){kind=icon}
