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extracting copper
Whatever sense I'm talking in, a gram of Mg does better job (ie gives more Cu) than a gram of Zn. A ... |
5-3-2006 at 01:19
by: unionised |
Copper (II) thiocyanate?
Thiocyanate reduces copper(II)
Cu++ + 3SCN- --> CuSCN + (CN)2
Hydroxide replaces SCN
CuSCN ... |
5-3-2006 at 01:12
by: unionised |
extracting copper
OK, I'm making an assumption here. While the question is set in an accademic situation I think the i ... |
3-3-2006 at 13:19
by: unionised |
U.S. Department of Justice has a new batch of records.
Just a thought. Does a cop who says "I am an off duty detective and I arrest 2 people a day for pos ... |
1-3-2006 at 12:41
by: unionised |
Many chemicals will be forbidden in the USA???
How long before the US stops singing about "the land of the free?
Here in the UK making fireworks ... |
1-3-2006 at 12:16
by: unionised |
Iridium (IV) chloride
"No chemical supplier is going to sell something that doesn't exist! "
Ammonium hydroxide anyone? |
1-3-2006 at 12:04
by: unionised |
How does Na2S2O4 reduce Fe(III)???
I did think about the state of the sulphur atom; in fact I thought about both atoms. Then I thought ... |
28-2-2006 at 12:37
by: unionised |
i,i dimethyl iodobenzene
Of course, the important thing is that, young, old, or indifferent, these things are interesting. |
28-2-2006 at 12:07
by: unionised |
Nitrobenzene
Benzidine is essentially banned in the UK because of its carcinogenicity. |
28-2-2006 at 11:58
by: unionised |
Naphthalene Reactions
Chloroform certanly gives the FC reaction with benzene. IIRC naphthalene is more active but the ster ... |
28-2-2006 at 11:48
by: unionised |
How to Measure CO2 Concentration in Air?
"Use concentrated Ca(OH)2 solution and weigh the precipitate.
Tim "
In what solvent?
Water onl ... |
26-2-2006 at 02:40
by: unionised |
i,i dimethyl iodobenzene
"This problem refers to hypervalent iodine chemistry and it's quite fresh topic.Never heard of somet ... |
26-2-2006 at 02:24
by: unionised |
extracting copper
It's bad enough giving people an answer to their homework questions but it's worse if you don't get ... |
26-2-2006 at 02:05
by: unionised |
Cu + HCl + H2O2; Solution color
A solution of CuCl (thats Cu(I)) in HCl is colourless. I think the brown/black colour is due to mixe ... |
26-2-2006 at 01:58
by: unionised |
A general question on high pressure piping
Wet supercritical CO2 is rather corrosive. Unles you are sur that the stuff you extract is really dr ... |
24-2-2006 at 05:48
by: unionised |
Beaker recovery need help
I think diamonds are nearly as brittle as glass.
One idea for cleaning glassware that is often over ... |
18-2-2006 at 11:46
by: unionised |
FeCl2
I think that you will have a solution of mainly FeCl2, some FeCl3 and the excess HCl in water. If yo ... |
18-2-2006 at 11:33
by: unionised |
Looking for Medicinal Leeches
Is there really any difference between lake leaches and medicinal leaches?
Yes, the price.
I ca ... |
16-2-2006 at 14:16
by: unionised |
Recovery of mercury and silver from dental amalgams
It would be nice if you could get some of the SnCl2 by leaching the amalgam with HCl first- this wou ... |
16-2-2006 at 14:00
by: unionised |
Extraction of Limonene
This
http://www.oxyboost.com/products/orange100.html
would be cheating. |
14-2-2006 at 12:58
by: unionised |
Unknown substance from distillation
I think you have "steam distilled" nutmeg oil using alcohol/water vapour to cary the oil vapour. |
13-2-2006 at 02:18
by: unionised |
Capsaicin extraction and isolation
Since the nitorgen in capsaicin is in an amide I think it won't be very basic. By the time you have ... |
13-2-2006 at 02:15
by: unionised |
Henry's Law
IIRC HCl doesn't really have a "Henry's law constant" (whichever way you do the division).
Because ... |
12-2-2006 at 12:41
by: unionised |
Diphenyl Carbazide Detection of unknown
With some difficulty. You might be able to form complexes of some of the other metals with something ... |
12-2-2006 at 11:29
by: unionised |
gold from E-waste
I have a nasty feeling that the gold won't disolve until all the copper is in solution so you would ... |
12-2-2006 at 11:22
by: unionised |
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