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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 |
Azeotropic esterifications
Thanks Pumukli, interestingly I am currently trying to azeotropically dry 350ml of bought 95% ethano ... |
25-11-2019 at 07:21
by: Boffis |
Azeotropic esterifications
Well I distilled the diethyl oxalate and got 38.09g boiling between 183-185 C which is about 55% so ... |
25-11-2019 at 05:03
by: Boffis |
Diethylamine hydrochloride - Success!
Without knowning what the other 75% of the original preparation was its hard to say what you have ma ... |
25-11-2019 at 04:16
by: Boffis |
Diethylamine hydrochloride - Success!
I echo Pumukli's comments and likewise do not wish to be seen as harsh but from the limited amount o ... |
24-11-2019 at 10:02
by: Boffis |
How to synthesise Sulfosalicylic acid
Hi vibbzlab here it is:
https://archive.org/search.php?query=organic%20analytical%20reagents%20we ... |
24-11-2019 at 08:51
by: Boffis |
Azeotropic esterifications
Thanks Pumukli, I am just doing the work-up on the benzoate batch. I first distilled off 150ml of th ... |
24-11-2019 at 07:38
by: Boffis |
How to synthesise Sulfosalicylic acid
@vibbzlab; Some time ago I posted links to the 4 volumes of Welcher "Organic analytical reagent". In ... |
24-11-2019 at 05:57
by: Boffis |
Azeotropic esterifications
Having examined Pumukli's desription of his experiment into the production of ethyl benzoate by the ... |
24-11-2019 at 05:06
by: Boffis |
Diethylamine hydrochloride - Success!
I don't understand your description of your method but are you sure you have got the diethylamine hy ... |
24-11-2019 at 03:58
by: Boffis |
Ethyl benzoate synthesis
Hi UC235, no I simply used the benzene azeotropic method for dehydrating 95% ethanol and added some ... |
23-11-2019 at 09:04
by: Boffis |
diethylamine hydrochloride synthesis question.
I have a bottle of diethylamine from Reynold and Branson Ltd of Leeds and they haven't been in busin ... |
23-11-2019 at 04:29
by: Boffis |
Ethyl benzoate synthesis
Well, this morning the flasked had cooled and to my amazement only a tiny amount of unreacted oxalic ... |
23-11-2019 at 04:24
by: Boffis |
Ethyl benzoate synthesis
OK Pumukli, experiment under way! 60 oxalic acid dihydrate, 100ml 95% ethanol and 30ml benzene.
W ... |
22-11-2019 at 07:44
by: Boffis |
Ethyl benzoate synthesis
Hi Pumukli, Looking at your azeotropic esterification method I was wondering if you could use benzen ... |
22-11-2019 at 04:26
by: Boffis |
Dehydrogenation of Diels Alder addition products
Hi Pumukli, yes its surprising that there is not a single thread on SM dedicated to sorbates or sorb ... |
20-11-2019 at 13:28
by: Boffis |
Dehydrogenation of Diels Alder addition products
While looking into the chemistry of potassium sorbate I came across some paper that describe the Die ... |
20-11-2019 at 11:30
by: Boffis |
diethylamine hydrochloride synthesis question.
Hi chemist1243, as Pumukli says have a look at my recent posting on the diethylamine synthesis threa ... |
19-11-2019 at 15:14
by: Boffis |
Diethylamine Hydrochloride Synthesis
[rquote=626353&tid=24131&author=Pumukli]Does it mean that the DEET you used did contain some ... |
17-11-2019 at 13:58
by: Boffis |
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