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Solution that efficiently removes oxygen from air
Usually a basic aqueous solution of pyrogallol (1,2,3-trihydroxybenzene) is used for such purpose (l ... |
27-10-2008 at 06:57
by: Nicodem |
The short questions thread (1)
[quote][i]Originally posted by solo[/i]
I've been looking for a way to separate glacial acetic acid ... |
27-10-2008 at 00:09
by: Nicodem |
specific chemical requests
As far as I know, the References section is also meant to be for providing references and not just r ... |
24-10-2008 at 02:12
by: Nicodem |
2,5-dimethoxyphenyl-2-nitropropene synthesis - 89.3% yield
Warning!
I don't want to hear discussions about increasing the yield of anything by a couple of % ... |
21-10-2008 at 23:40
by: Nicodem |
Reaction scales
[quote][i]Originally posted by watson.fawkes[/i]
[quote][i]Originally posted by Nicodem[/i]
Scalin ... |
21-10-2008 at 00:01
by: Nicodem |
Tell me more about what you told me before!
Also, learn about why ionic compounds dissolve at all: http://en.wikipedia.org/wiki/Solvation (searc ... |
20-10-2008 at 23:27
by: Nicodem |
"OTC" replacement for Soxhlet extraction sleeves?
I once made a Soxlet extractor using a polypropylene reagent bottle, some tubings, two-component glu ... |
20-10-2008 at 23:16
by: Nicodem |
2,5-dimethoxyphenyl-2-nitropropene synthesis - 89.3% yield
[quote][i]Originally posted by starman[/i]
How about EDTA?Is there a difference between "tert aceti ... |
20-10-2008 at 22:50
by: Nicodem |
Purifying Denatured absolute EtOH Superheating problem
[quote][i]Originally posted by angelhair[/i]
Just on a side note, will distillation from NaOH dehyd ... |
20-10-2008 at 22:44
by: Nicodem |
Reaction scales
Scaling up is the science behind chemical technology. Since I'm a chemist and not a technologist, I' ... |
15-10-2008 at 05:49
by: Nicodem |
Acetic anhydride preparation
Beilstein has its own nomenclature and terminology for reagents, their properties and concentration. ... |
15-10-2008 at 05:41
by: Nicodem |
Oxidation of a phenolic derivative with ammonium persulfate
[quote][i]Originally posted by Baphomet[/i]
Nicodem: Nothing in my experiment was created or destro ... |
15-10-2008 at 05:16
by: Nicodem |
Oxidation of a phenolic derivative with ammonium persulfate
You seriously bleached 50g of sesamol just for the fun of it? Goddamn, that thing is so expensive an ... |
15-10-2008 at 03:05
by: Nicodem |
Home labs and legal issues
These regulations are not meant to be for fire safety and such. They are meant for preventing people ... |
15-10-2008 at 00:18
by: Nicodem |
Reaction scales
In most cases you can scale down just by factoring down.
However, only few reactions can be scaled ... |
15-10-2008 at 00:06
by: Nicodem |
Eugenol
Oil of clove practically always contains more than 80% eugenol. Actually, it is quite common for it ... |
15-10-2008 at 00:02
by: Nicodem |
Oxidation of a phenolic derivative with ammonium persulfate
Sesamol is not a secondary alcohol! It is a phenol! You can not make a ketone out of it. Utmost it c ... |
14-10-2008 at 23:38
by: Nicodem |
Benzoic Acid, Carbamid>Benzamid>Anilin?
Excellent work! Thanks for sharing.
Comments:
About benzamide preparation... The unreacted ben ... |
14-10-2008 at 23:07
by: Nicodem |
Acetic anhydride preparation
Isopropenyl acetate does indeed acetylate acetic acid to form acetic anhydride, but as far as I reme ... |
13-10-2008 at 00:20
by: Nicodem |
Mystery substance
I guess I should have explained it earlier that this thread was moved to the Beginnings section beca ... |
13-10-2008 at 00:09
by: Nicodem |
Ideas for making ethylenediamine?
You can not obtain ethylenediamine using that reaction in a useful way. Apparently you get [i]N,N[/i ... |
11-10-2008 at 02:13
by: Nicodem |
Home labs and legal issues
[quote][i]Originally posted by BethanyHalford[/i]
I don't think it's against the law to have a lab ... |
11-10-2008 at 00:59
by: Nicodem |
Chemistry BAsics
Djd710, there are at least a dozen threads discussing your problem. Please use the search engine bef ... |
9-10-2008 at 23:40
by: Nicodem |
Chloroacetone tear gas: A Theory, A Mishap, and Questions
[quote][i]Originally posted by chemrox[/i]
Main use of chloroacteone is for Friedel-Krafts reax. W ... |
9-10-2008 at 23:20
by: Nicodem |
Methylamine/Ammonia, how to tell them apart?
[quote][i]Originally posted by Panache[/i]
i don't believe a 40% solution in methanol is possible e ... |
9-10-2008 at 23:13
by: Nicodem |
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