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Nice smelling compounds (?)
Esters are classics for synthesized compounds with a nice fragrance. When you want to extract someth ...
21-9-2019 at 06:49
by: Tsjerk
Forum has been moved to manual registrations only
Thumbs up good God mother etcetera you are back!

Happy you are back.
19-9-2019 at 12:24
by: Tsjerk
Sensitive test for gold
Nice test, but isn't it a disadvantage it also reacts to copper?

What is hard about preparing th ...
18-9-2019 at 14:29
by: Tsjerk
Dracorhodin from anthocyanins
I had a look. I think the de-glycosylation could work.

From there on: could you put the mechanis ...
17-9-2019 at 12:38
by: Tsjerk
Sodium Borohydride Group Buy
Why the change to only North America?
17-9-2019 at 12:21
by: Tsjerk
Synthesize ethylene glycol diacetate?
If the ester is seperating from the reaction, it can be seperated in order to push the reaction to c ...
17-9-2019 at 02:32
by: Tsjerk
Post-reaction workup of diisopropylethylamine
My guess is that both DIPA-HI and DIPEA-HI are quite insoluble. I think that your precipitate is an ...
16-9-2019 at 08:02
by: Tsjerk
Post-reaction workup of diisopropylethylamine
Yes, simple enough when you know it ;)

I would just filter and wash with MEK. Apparently that is ...
15-9-2019 at 05:04
by: Tsjerk
Help me identify this chemical
[rquote=622858&tid=153870&author=CELamCheng]So the data in wikipedia is wrong?[/rquote]

I ...
14-9-2019 at 03:41
by: Tsjerk
piperidine safrole additive
[rquote=622856&tid=153894&author=draculic acid69]What I'm seeing looks like MDMA with the n, ...
14-9-2019 at 03:26
by: Tsjerk
Malonic acid
I [url=http://www.sciencemadness.org/talk/viewthread.php?tid=153286]think[/url] it is possible.
14-9-2019 at 02:31
by: Tsjerk
Help me identify this chemical
http://www.infobharti.com/how-and-why/do-you-know/why-does-camphor-change-into-gas-without-turning-i ...
13-9-2019 at 23:59
by: Tsjerk
Purpose of Ammonium Carbonate in Luminol Reaction?
Ammonium ions are part of the pH buffer, but you don't need to isolate ammonium carbonate to use it. ...
13-9-2019 at 23:47
by: Tsjerk
Help me identify this chemical
With these results it can still be camphor right? Camphor won't be oxidized by cold diluted permanga ...
13-9-2019 at 23:24
by: Tsjerk
Post-reaction workup of diisopropylethylamine
Could you be more specific?

[quote]24hrs after refluxing EtI and iPr2NH, and seeing [i]the[/i] D ...
13-9-2019 at 23:16
by: Tsjerk
Elemental sulfur from sulfates?
[rquote=622804&tid=153772&author=teodor]http://digicoll.library.wisc.edu/cgi-bin/JCE/JCE-idx ...
13-9-2019 at 22:54
by: Tsjerk
piperidine safrole additive
For me this needs a bit more context. Why do you think could work? It would be nice if it does, but ...
13-9-2019 at 07:37
by: Tsjerk
Elemental sulfur from sulfates?
[rquote=622748&tid=153772&author=Metacelsus]

The term is "obligate anaerobic." Facultativ ...
12-9-2019 at 09:03
by: Tsjerk
Elemental sulfur from sulfates?
Hmmm, I think it is the CO2 that forms an acidic solution that decomposes the sulfate. But I don't t ...
12-9-2019 at 04:01
by: Tsjerk
Elemental sulfur from sulfates?
No, it is not like alcohol / vinager, yeast happily grows with our without oxygen but will produce e ...
12-9-2019 at 03:24
by: Tsjerk
Elemental sulfur from sulfates?
You don't want to work with sulfate reducing bacteria/archaea... They are facultative anaerobic. If ...
11-9-2019 at 23:21
by: Tsjerk
Formaldehyde odor
Are you sure you have paraformaldehyde and not hexamine?
11-9-2019 at 23:13
by: Tsjerk
Path to carminic acid
Hydroxide groups are meta/para directors, as all phenols have at least a meta position available I g ...
11-9-2019 at 23:11
by: Tsjerk
Path to carminic acid
I've only checked the 1991 synthesis, so I don't know whether different paths have been discovered i ...
10-9-2019 at 23:43
by: Tsjerk
Need Help Separating different isomers of Halogenated Benzene Compounds
Strange story about that electrophoresis... Molecules have to be charged to be effected by an electr ...
10-9-2019 at 08:25
by: Tsjerk
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