Sciencemadness Discussion Board - Powered by XMB 1.9.11


	Not logged in [Login ]

FAQ

Member List

Today's Posts Forum Stats

Stats

Back to:

Sciencemadness Discussion Board » Search

Search
[Next Page]
Any method to convert potassium dichromate to ammonium dichromate? Somewhere, in one of my very old note books I have a detailed "as done" write-up but I can't find it ...	8-12-2019 at 04:52 by: Boffis
Diethylamine and m-Toluic acid from DEET Hi Sigmatropic, thank you very much for your comments. As for etching of the glassware by the hyd ...	7-12-2019 at 14:43 by: Boffis
Any method to convert potassium dichromate to ammonium dichromate? [rquote=627575&tid=154538&author=vibbzlab]I've got barium chloride in excess. So I first mak ...	7-12-2019 at 10:53 by: Boffis
Any method to convert potassium dichromate to ammonium dichromate? The problem is ammonium chromate solution is rather unstable and evaporating it down may be difficul ...	7-12-2019 at 05:21 by: Boffis
Wrong dichromate received! @Lion850 sodium dichromate is a little more soluble than the potassium salt and is generally the dih ...	7-12-2019 at 04:32 by: Boffis
Diethylamine and m-Toluic acid from DEET [rquote=627496&tid=154530&author=Cou]Does m-toluic acid really have a honey odor?[/rquote] ...	7-12-2019 at 02:11 by: Boffis
Nitration of phthalic acid @Brij-09 phthalide NOT phthalamide. This is phthalide: [file]78253[/file]	6-12-2019 at 12:51 by: Boffis
Nitration of phthalic acid @Fery, Even starting with the anhydride the overal yield of pure 3-nitrophthalic acid is only ab ...	5-12-2019 at 15:54 by: Boffis
Nitration of phthalic acid The problem is not the yield of nitro acid but the ratio of 3 to 4 nitro acids and their separation. ...	5-12-2019 at 09:23 by: Boffis
Drying Formic Acid The best laboratory method for high test formic acid preparation is azotropic distillation with hept ...	5-12-2019 at 01:22 by: Boffis
Got some rare stuff. Arsenic trioxide I have worked in mine where native arsenic occurred in seams and blocks more than 15cm thick in calc ...	4-12-2019 at 15:35 by: Boffis
Diethylamine Hydrochloride Synthesis I have just posted in the prepublication section my write-up on my experiments into the hydrolysis o ...	4-12-2019 at 06:42 by: Boffis
Diethylamine and m-Toluic acid from DEET As promised my write-up on the alkaline hydrolysis of DEET is attached. Any comments, typos, or othe ...	4-12-2019 at 06:39 by: Boffis
Energetic precipitate from the reaction of ascorbic acid/Cu(II) and sodium nitrite Hi nitro-genes; had a look at the original paper. Mmmm they talk about nitrosoascorbic acid but in r ...	2-12-2019 at 14:53 by: Boffis
One of the easiest scents to produce Ahh... that sounds more plausible! So the bit about citral and acetone is just irrelevant bollocks t ...	2-12-2019 at 12:58 by: Boffis
Report on making Aluminium Iodide Any idea what the hydration state of aluminium iodide is? You certainly haven't made anhydrous AlI3 ...	2-12-2019 at 01:22 by: Boffis
Energetic precipitate from the reaction of ascorbic acid/Cu(II) and sodium nitrite Given the conditions under which Brauer describes the preparation of hyponitrites (sodium amalgan re ...	1-12-2019 at 13:35 by: Boffis
One of the easiest scents to produce Castor oil is a "fixed" or fatty oil, that is its a mixture of glycerol esters but in the descriptio ...	30-11-2019 at 08:10 by: Boffis
Azeotropic esterifications Hi Pumukli, on the point of using a heavy entrainer in a soxhlet extract as you had done; why doesn' ...	29-11-2019 at 12:19 by: Boffis
Azeotropic esterifications I ran a larger scale oxalate preparation as before and added a little toluene sulphonic acid to assi ...	28-11-2019 at 04:59 by: Boffis
OTC pyrazole synthesis Well, since nitrogenes seems to have lost interest in pyrazoles I will pursue them alone! I have ...	27-11-2019 at 13:24 by: Boffis
Diethylamine hydrochloride - Success! @ monolithic, there is a recently resurrected thread with an old link to a paper that describes the ...	27-11-2019 at 10:24 by: Boffis
What would the procedure for Benzidine to aniline look like? Glycerin is not stable enough at high temperatures to replace ethylene or propylene glycol in the de ...	26-11-2019 at 15:04 by: Boffis
Masking of nitrite during nitrate determination How much is "some"? Are you using a published procedure or a home-brewed technique? Also this is not ...	26-11-2019 at 07:06 by: Boffis
Diethylamine hydrochloride - Success! I was unable to find 100% DEET locally but 95% was easy to come by. The main impurities seem to be l ...	25-11-2019 at 13:37 by: Boffis
[Next Page]

Sciencemadness Discussion Board » Search