| Search |
| [Next Page] |
preparation of succinic anhydride from succinic acid (using a Dean-Stark trap)
Nice work!
Apparently, succinic anhydride can also be made by thermal dehydration of neat succinic ... |
25-1-2026 at 12:18
by: oberkarteufel |
6- Benzyl Azulene synthesis
Does this procedure also work with other pyridines? The regular one, the ones with alkyl, nitro, ami ... |
16-1-2026 at 21:58
by: oberkarteufel |
Propylene (oxide) synthesis
An excerpt from Org. Synth. 1988, 66, 160 (DOI: 10.15227/orgsyn.066.0160) [b]"(R)-ALKYLOXIRANES OF H ... |
3-1-2026 at 03:28
by: oberkarteufel |
seperation ketones
I'd say that the minimal difference of boiling points for simple distillation is 50 degrees.
For 2 ... |
12-10-2025 at 19:46
by: oberkarteufel |
Embarrassing question about Grignard reaction
[rquote=703627&tid=161242&author=chempyre235]So, it sounds like you'd get ethyl lactate, or ... |
12-10-2025 at 10:25
by: oberkarteufel |
Embarrassing question about Grignard reaction
Since it bothered me this much, I dug deeper than the dwarves of Khazad-dûm and I'll share the answ ... |
9-10-2025 at 21:11
by: oberkarteufel |
Embarrassing question about Grignard reaction
Thank you for the answers. Well, I'll keep digging, maybe something pops out. |
17-8-2025 at 23:31
by: oberkarteufel |
Embarrassing question about Grignard reaction
Hi. Everyone knows Grignard reaction, many know other reactions of Grignard reagents.
As you know, ... |
14-8-2025 at 06:44
by: oberkarteufel |
DIY homemade hydrothermal crystallization device
@Twospoons - thanks for the info about those heating cables, I'll look it up.
@Admagistr - not re ... |
10-2-2023 at 09:15
by: oberkarteufel |
DIY homemade hydrothermal crystallization device
@Mateo_swe - thanks for the encouragement, but as I noted in the first post - my heating system does ... |
9-2-2023 at 10:34
by: oberkarteufel |
DIY homemade hydrothermal crystallization device
"O szlachetnych kryształach" ("On the precious crystals") Krzysztof Błaszkowski, Warsaw 1987, ISBN ... |
9-2-2023 at 03:40
by: oberkarteufel |
Making rubies using microwave
[rquote=667110&tid=158046&author=Admagistr] I used a CaO to capture the MoO3 vapor. [/rquote ... |
29-1-2023 at 02:40
by: oberkarteufel |
A dilemma with molasses and pH control
Hello CocoMoco, I know it's probably too late, but I would like to know something about your process ... |
27-8-2020 at 02:50
by: oberkarteufel |
Uranyl acetate to nitrate
A little update with a couple conclusions.
3% H2O2 works fine for precipitating uranyl peroxide. ... |
27-8-2020 at 02:03
by: oberkarteufel |
Uranyl acetate to nitrate
@Heptylene - thank you for the information. I might try with 3% first, as it is much less hassle to ... |
9-7-2020 at 00:04
by: oberkarteufel |
Uranyl acetate to nitrate
Kindly thank you for your answer. Your advice provides a good insight, it can be seen that you've re ... |
8-7-2020 at 00:13
by: oberkarteufel |
Uranyl acetate to nitrate
Hello!
Some time ago I got interested in an old photography technique called uranotype. For now, t ... |
7-7-2020 at 02:29
by: oberkarteufel |
Gold extraction attempt
@diddi - I know, and I did this only for fun, yyyyy educational purpose, of course 
@Sulaiman - ... |
4-12-2019 at 03:21
by: oberkarteufel |
Make Potassium (from versuchschemie.de)
Yup, same paraffin oil from pharmacy, heating regime etc. IIRC Total time of heating (first for dryi ... |
4-12-2019 at 03:11
by: oberkarteufel |
Gold extraction attempt
Ha, that's a nice amount, indeed 
Non-profit maybe, but highly educational and verily addictive, ... |
3-12-2019 at 12:31
by: oberkarteufel |
Gold extraction attempt
So one day I decided I have too much money ([i]yeeeeaaah, sure[/i]) and I bought some 14k (583) gold ... |
3-12-2019 at 05:12
by: oberkarteufel |
Carry on with active metals...
Some time ago I have tried the thermite-type reaction to produce some sodium.
Some notes for the on ... |
3-12-2019 at 04:28
by: oberkarteufel |
Success!
Well, for longer I've been away from this topic than expected, but I'm back with some new results.
... |
3-12-2019 at 04:08
by: oberkarteufel |
sodium metal extraction - Nurdrage did it!
Followed 12thealchemist's suggestion from https://www.sciencemadness.org/whisper/viewthread.php?tid= ... |
16-6-2019 at 10:02
by: oberkarteufel |
sodium metal extraction - Nurdrage did it!
In this topic it's an off-top, but I'll answer.
I'm leaning towards the opininon that menthol does ... |
16-6-2019 at 00:24
by: oberkarteufel |
| [Next Page] |
