| Search |
| [Next Page] |
benzalacetone = benzylideneacetone by aldol condensation
I followed orgsyn procedure at 8-times smaller scale.
http://orgsyn.org/demo.aspx?prep=cv1p0077
... |
15-11-2022 at 10:54
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
Rainwater - well done. Luckily dioxane on solidification does NOT expand in volume unlike water. It ... |
15-11-2022 at 09:30
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
Well done guys!
TLutman good that you distilled and purified your ethylene glycol, >150 ml of fo ... |
14-11-2022 at 22:16
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
I let the bottle with the product in a fridge for few months at +4 C. Most of the 350 g solidified a ... |
14-11-2022 at 21:38
by: Fery |
1,2,3,4-tetrahydrocarbazole
Hi Boffis, the experiment was for the beauty of chemistry, to synthesize some heterocycle. Of course ... |
13-11-2022 at 21:25
by: Fery |
1,2,3,4-tetrahydrocarbazole
Initially I had these references:
https://sci-hub.wf/10.1021/ja01203a506
[file]95435[/file]
... |
13-11-2022 at 12:18
by: Fery |
2-Ethylhexanol synthesis
Cannot you just buy it? I got it while ago from here:
https://shop.es-drei.de/alkohole/1052/2-ethyl ... |
12-11-2022 at 22:34
by: Fery |
Interesting route to 4-methoxyphenol
Well done, thanks for sharing!!! You performed a lot of steps, this synthesis is at some advanced le ... |
10-11-2022 at 21:59
by: Fery |
Can oxone oxidise MnSO4 to MnO2 ?
Solubility of hydroxides of Mn(II), Ni(II), Co(II) are at range mg per liter and ug or ng in excess ... |
4-11-2022 at 10:48
by: Fery |
Can oxone oxidise MnSO4 to MnO2 ?
Couldn't persulfate oxidise Mn(II) to permanganate? |
3-11-2022 at 21:40
by: Fery |
Ammonium hydroxide titration
Hi Bedlasky, methyl red is even better
0,1 mol/l NH4Cl pH = 5,1
color change of methyl red 4,4-6,2 ... |
2-11-2022 at 03:08
by: Fery |
Ammonium hydroxide titration
Hi Bedlasky, titrating that way (HCl into flask, ammonia into burette) could be perhaps favorable fo ... |
1-11-2022 at 21:28
by: Fery |
Ammonium hydroxide titration
I would use HCl too. As an indicator, I would use methyl orange because solution of NH4Cl is weakly ... |
1-11-2022 at 08:43
by: Fery |
Vacuum desiccator implosion risk (and how much vacuum is a Buchner funnel designed for?)
If a water aspirator pump gives vacuum -0,90 atm and a rotary vane oil vacuum pump almost -1,00 atm ... |
30-10-2022 at 02:09
by: Fery |
Ethanol partial drying additive?
MgO + citric acid would produce extra water. Kitchen / food grade citric acid is monohydrate which i ... |
25-10-2022 at 20:44
by: Fery |
Ethanol partial drying additive?
K2CO3. K3PO4. K4P2O7. Not sure whether they concentrate upto 95%.
https://www.kci.go.kr/kciportal/c ... |
25-10-2022 at 13:05
by: Fery |
H2S solution for Qualitative Test
Hi RU_KLO, we did the analytical chemistry summer school while I was at college. We analyzed all tho ... |
25-10-2022 at 13:02
by: Fery |
H2S solution for Qualitative Test
Hi teodor, the info is in the link I posted. The group 1 is precipitated by addition of HCl and the ... |
25-10-2022 at 04:04
by: Fery |
Fractional freezing to GAA
here I found well explained process of freezing a mixture of acetic acid + water:
https://chemistry ... |
24-10-2022 at 08:50
by: Fery |
H2S solution for Qualitative Test
RU_KLO I have never tried the thioacetamide method, but I ordered it just now as your post hit my cu ... |
24-10-2022 at 01:53
by: Fery |
Dibenzalacetone - Organic Synthesis writeup
Hi Bedlasky, nice experiment and very pure product according m.p. You did 3 crystallizations so the ... |
22-10-2022 at 21:28
by: Fery |
Comfort level with dimethyl sulfate
[rquote=677769&tid=158936&author=6dthjd1][rquote=677123&tid=158936&author=Fery]Recen ... |
22-10-2022 at 09:12
by: Fery |
H2S solution for Qualitative Test
For some cations (all from group 2) you can make the solution acidic and then add Na2S as Bedlasky s ... |
22-10-2022 at 09:04
by: Fery |
Mono-Nitration of Phenol [Tarr Elimination Method]
Hi kmno4 and thanks for more information, that explains a lot.
The phenol mixture added to nitratio ... |
17-10-2022 at 19:40
by: Fery |
Large scale anthranilic acid prep
SuperOxide - also the. stronger vacuum the lover temperature at which anthranilic acid sublimes |
15-10-2022 at 21:13
by: Fery |
| [Next Page] |
