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Clomethiazole by Vitamine b1 cleavage The referenced reports: https://sci-hub.tw/10.1021/ja01306a044 and https://pubs.acs.org/doi/10.1021 ...	28-6-2020 at 16:40 by: DavidJR
Chinese rotavaps? [rquote=638901&tid=155584&author=Mateo_swe] How come you cant rotate the flask faster, is i ...	28-6-2020 at 05:59 by: DavidJR
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis [rquote=631117&tid=154884&author=Tsjerk] I was planning on doing that; but when I added the ...	25-6-2020 at 22:35 by: DavidJR
On making paraformaldehyde from formalin [rquote=639142&tid=155650&author=mackolol] I fillled flask with my freshly bought formalin ...	25-6-2020 at 22:14 by: DavidJR
Ammonium persulphate + sulphuric acid as a sub for piranha solution [rquote=639040&tid=155641&author=Keras]Do you use it cold or hot?[/rquote] I don't heat i ...	24-6-2020 at 00:40 by: DavidJR
Ammonium persulphate + sulphuric acid as a sub for piranha solution I don't really know, I've never had 30% hydrogen peroxide to make piranha with. But what I do know i ...	23-6-2020 at 04:58 by: DavidJR
Mysterious orange-brown residue inside used glassware DCM works well for removing old nasty grease.	22-6-2020 at 16:01 by: DavidJR
Ammonium persulphate + sulphuric acid as a sub for piranha solution 12% hydrogen peroxide still works.	22-6-2020 at 04:47 by: DavidJR
Disappointing results with 3A molecular sieves My sieves are nowhere near that dusty.	21-6-2020 at 17:39 by: DavidJR
Buchi Screw Wheel 00565 needed! [rquote=638895&tid=18283&author=spankyetal] Repairs can be kept below $25.00 using a clay ...	21-6-2020 at 11:29 by: DavidJR
Chinese rotavaps? [rquote=638621&tid=155584&author=SWIM] @DavidJR: Nice. I wasn't expecting it to be so ne ...	18-6-2020 at 13:41 by: DavidJR
Chinese rotavaps? In addition to the usual use of removing solvent from solutions, I've also had great success using [ ...	17-6-2020 at 17:57 by: DavidJR
Preparing a chromatography column It does depend on how good a separation you get though. If well resolved you might be able to exceed ...	17-6-2020 at 03:30 by: DavidJR
Preparing a chromatography column How fine is your silica gel? you shouldn't need to worry about it passing through the frit if you're ...	17-6-2020 at 02:33 by: DavidJR
Benzoin condensation using hydrogen cyanide? [rquote=637596&tid=155502&author=SplendidAcylation][rquote=637385&tid=155502&author= ...	8-6-2020 at 06:38 by: DavidJR
Keeping Ammonium fluoride solution in a glass bottle [rquote=637473&tid=155518&author=Ubya]https://www.youtube.com/watch?v=LRw5-WQERbM there's ...	3-6-2020 at 09:44 by: DavidJR
Keeping Ammonium fluoride solution in a glass bottle Why not just use a plastic bottle?	3-6-2020 at 01:33 by: DavidJR
Benzoin condensation using hydrogen cyanide? Found online: (From http://www.chem.latech.edu/~upali/chem254/BENZOINC.pdf) [file]81370[/file] ...	2-6-2020 at 02:00 by: DavidJR
will a trace of hydrogen cyanide catalyse the Catalyse the what?	1-6-2020 at 01:19 by: DavidJR
Advice on buying a GC/MS Rogue rose: that is just a mass spec, no chromatograph there. So it will really only be useful for t ...	21-5-2020 at 15:19 by: DavidJR
Silver and Copper Cyanide from Potassium Ferrocyanide That looks great.	20-5-2020 at 08:47 by: DavidJR
Advice on buying a GC/MS [rquote=636531&tid=155416&author=monolithic]I've always wanted to buy HPLC or GC/MS but the ...	20-5-2020 at 08:41 by: DavidJR
Advice on buying a GC/MS I often see old FTIRs sell on ebay for more than old HPLCs...	19-5-2020 at 19:00 by: DavidJR
Advice on buying a GC/MS [rquote=636445&tid=155416&author=Nonexistent] I don't know how game I would be to use 2nd h ...	19-5-2020 at 16:40 by: DavidJR
Advice on buying a GC/MS Sorry, I was strictly just talking about the chromatography part... Obviously HPLC/MS is much more u ...	19-5-2020 at 05:55 by: DavidJR
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