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Distillation of solvents
[rquote=638305&tid=155583&author=Tsjerk]
You can indeed bring the energy needed way down ... |
14-6-2020 at 11:50
by: unionised |
Help in Identifying a compound
If you didn't add enough nitric acid then the solution will have contained Hg+ and Hg++
Adding bas ... |
12-6-2020 at 03:54
by: unionised |
Removing HCl from CuCl2 solution
Dry it in a desiccator over NaOH (or even NaHCO3, if that's all you have).
|
11-6-2020 at 13:08
by: unionised |
DIY Water Ionizer Food safe electrodes? Power requirements for water ionization?
[rquote=637964&tid=154821&author=Sulaiman]
Iron is also safe but will corrode very quic ... |
9-6-2020 at 04:02
by: unionised |
Hydrogen Peroxide from Sodium Percarbonate
[rquote=637861&tid=155546&author=violet sin]THE PARTITION COEFFICIENTS OF HYDROGEN PEROXIDE ... |
8-6-2020 at 09:24
by: unionised |
Radical halogenation of diesel fuel?
It's interesting, but I wouldn't try it.
Diesel is a complex mixture of hydrocarbons.
And each of ... |
6-6-2020 at 04:59
by: unionised |
Benzoin condensation using hydrogen cyanide?
When I did this reaction at uni, it was the first week of term. The benzaldehyde in the stock bottle ... |
1-6-2020 at 03:39
by: unionised |
How come polyethylenimine isn't highly explosive?
At last in part, because it has twice as much C as N (So, it really hasn't got much nitrogen in it) ... |
30-5-2020 at 04:34
by: unionised |
Most toxic compound OTC?
In terms of "the chemical that kills most people" ethyl alcohol probably wins. |
26-5-2020 at 13:17
by: unionised |
Silica gel mystery?
I'm fairly sure that a lot of the early work on chromatography was done with diatomaceous earth as t ... |
24-5-2020 at 06:17
by: unionised |
Most toxic compound OTC?
Ricin got a mention so...
"Symptoms are identical to those of ricin, except abrin is more toxic by ... |
24-5-2020 at 04:34
by: unionised |
Name for frozen phases
[rquote=636510&tid=155424&author=chornedsnorkack]
Are there any solid phases in system H[ ... |
20-5-2020 at 01:32
by: unionised |
Problems with the synthesis of formaldehyde by pyrolysis of metal formates
It looks like zinc formate produces methyl formate- which is interesting. |
19-5-2020 at 13:05
by: unionised |
Problems with the synthesis of formaldehyde by pyrolysis of metal formates
[rquote=636288&tid=155405&author=WGTR]"The result was a volume that corresponded almost exac ... |
19-5-2020 at 13:02
by: unionised |
Name for frozen phases
Solvates.
But beware that , like "hydrates" it's a verb as well as a noun.
Words like Etherates an ... |
19-5-2020 at 12:56
by: unionised |
Distillation effect on purity
It's impossible to tell without knowing what you are using it for. |
19-5-2020 at 12:54
by: unionised |
Piperazine workup
The aldehyde group will react with the secondary amines.
If you had dimethyl piperazine it would be ... |
18-5-2020 at 09:27
by: unionised |
Reducing metal oxides with wood gas
How did the Romans smelt lead? |
17-5-2020 at 23:58
by: unionised |
Device that heats at around 40 degrees C?
Apparently this is cheep.
https://www.youtube.com/watch?v=3Y0ROuPGaxw
[Edited on 18-5-20 by un ... |
17-5-2020 at 23:54
by: unionised |
Single displacement reaction for lead?
[rquote=636308&tid=155414&author=DraconicAcid]It may look like that, but the copper does go ... |
17-5-2020 at 13:25
by: unionised |
Problems with the synthesis of formaldehyde by pyrolysis of metal formates
If this is to be believed then the calcium salt is about the worst option
A. Górski, A. D. Kraś ... |
17-5-2020 at 02:19
by: unionised |
Does excess hydrochloric acid evaporate?
[rquote=636080&tid=155373&author=Jacob][rquote=636055&tid=155373&author=mayko]Be awa ... |
14-5-2020 at 13:46
by: unionised |
Does excess hydrochloric acid evaporate?
20% isn't some magical number, fixed for all time and all circumstances.
It's roughly the azeotrop ... |
14-5-2020 at 11:18
by: unionised |
Distallation of Salt
It is done routinely with ammonium chloride... |
14-5-2020 at 04:27
by: unionised |
My parents dont let me buy platinum
When I read the OP I thought the implication was that his parents thing he shouldn't be "wasting tim ... |
10-5-2020 at 01:33
by: unionised |
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