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Sulfur clogged up my vacuum filter
Hot xylene.
6-5-2017 at 18:01
by: UC235
sources of l-cysteine
http://www.orgsyn.org/Content/pdfs/procedures/CV1P0194.pdf
12-4-2017 at 02:46
by: UC235
KleanStrip denatured alcohol - what is the unlisted additive?
Probably has some methyl isobutyl ketone in it, and I would be frankly surprised if it didn't have d ...
2-3-2017 at 20:18
by: UC235
Nitric acid diffuculties
Your crude distillate will not necessarily attack copper at room temperature. It's too dilute to be ...
26-2-2017 at 13:02
by: UC235
Nitric acid diffuculties
Well, then one of your reagents is not what you think it is. Ammonium nitrate works very well for ni ...
26-2-2017 at 12:55
by: UC235
Nitric acid diffuculties
NO2 is a byproduct from decomposition of nitric acid during heating. Simply mixing the nitrate salt ...
26-2-2017 at 12:31
by: UC235
Nitric acid diffuculties
I don't understand what the problem is. NOx should ideally not be produced though some is unavoidabl ...
26-2-2017 at 12:14
by: UC235
How to separate terpenes and sesquiterpenes dissolved in alcohol
[rquote=475305&tid=72394&author=PHILOU Zrealone]The solution to the problem of the OP is alr ...
19-2-2017 at 16:23
by: UC235
glycine to ethyl glycinate hydrochloride
http://orgsyn.org/Content/pdfs/procedures/cv2p0310.pdf


Alternately, you could try saturating an ...
17-2-2017 at 18:32
by: UC235
Synthesis and purification of Sodium oleate
Sodium oleate is soap. It makes emulsions by definition and has modest water solubility. If you want ...
17-2-2017 at 16:52
by: UC235
Preparation of Salicylaldehyde
Purplish color sounds like iron contamination to me with salicylic acid around.

I looked into the ...
11-2-2017 at 06:18
by: UC235
Acid/Base extraction of ASA from aspirin
Adding water to pills designed to expand and crumble in water will make a big mess and lots of glop. ...
2-2-2017 at 16:27
by: UC235
Grignard workup with water
an aq. solution of ammonium chloride is a typical workup when the product is acid sensitive.
20-1-2017 at 18:57
by: UC235
Ligands derived from niacin?
[rquote=469567&tid=68607&author=NitratedKittens][rquote=459231&tid=68607&author=halo ...
13-1-2017 at 16:29
by: UC235
Grignard Reagent
[rquote=471854&tid=71773&author=Metacelsus]You'd have to use a protecting group for the alco ...
13-1-2017 at 16:12
by: UC235
Cinnamaldehyde Decomposition?
Cinnamic acid with traces of cinnamate esters and cinnamaldehyde. Cinnamic acid is highly sensitive ...
10-1-2017 at 17:20
by: UC235
strange dioxane turbdity
Dump more NaOH pellets in it. I find at least two hefty portions are needed to dry it and it should ...
19-12-2016 at 03:40
by: UC235
Sulphonation of Hydro Quinone
Organic chemistry isn't stoichiometric. settle for modest sulfonation to exclude disulfonation, extr ...
17-12-2016 at 16:19
by: UC235
Imidazole Synthesis Route
http://www.orgsyn.org/Content/pdfs/procedures/CV3P0471.pdf

Degradation of histidine could also be ...
14-12-2016 at 19:39
by: UC235
Claisen Reaction
[rquote=468916&tid=71231&author=Darkstar]You also don't want to use a base that is [i]too st ...
12-12-2016 at 16:20
by: UC235
Benzene ---> Phenol
If this is a theoretical question, see above. If you've a practical interest in preparing phenol, se ...
4-12-2016 at 21:14
by: UC235
Aldol
If you want to prepare diacetone alcohol or mesityl oxide, the prescribed procedures can be found in ...
22-11-2016 at 12:16
by: UC235
Keeping polypropylene sheets soft and flexible after autoclaving.
Sounds like autoclaving them is allowing the plastic to release strain built into it during manufact ...
22-11-2016 at 10:09
by: UC235
How to get Methyl Ethyl Ketone (Butanone) in California or suitable alternative?
If acetone did nothing to the plastic, MEK won't either.
22-11-2016 at 06:34
by: UC235
The Short Questions Thread (4)
Fe+3 ions from your limestone solution form purple (or other colors depending on the nature of the p ...
12-11-2016 at 11:42
by: UC235
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