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Chromate/Dichromate thermite
Do you have a source for that? |
4-8-2020 at 13:12
by: Tsjerk |
Chromate/Dichromate thermite
[rquote=642177&tid=155917&author=fdnjj6]Yes, I refuse to bring anything into my home lab tha ... |
4-8-2020 at 06:50
by: Tsjerk |
Recommendations for synthesis of medicines and other medical organic molecules.
Rule of the tumb: in an amateur setting you only have to worry about water, bismuth and gallium expa ... |
4-8-2020 at 03:36
by: Tsjerk |
Chromate/Dichromate thermite
[rquote=642076&tid=155917&author=fdnjj6]
I almost ordered some dichromates for my lab which ... |
3-8-2020 at 06:38
by: Tsjerk |
Recommendations for synthesis of medicines and other medical organic molecules.
Separation of p-nitrotoluene from o-nitrotoluene is easy, it freezes out nicely from the ortho in an ... |
3-8-2020 at 04:40
by: Tsjerk |
Hydroxychloroquine, could an amateur make this stuff ?
[rquote=642057&tid=155899&author=Eddie Current]
ACE-2 is expressed throughout most of the b ... |
3-8-2020 at 00:12
by: Tsjerk |
Disposal of solvents
I just run a minute or two of water, water comes cheap here. But if you have a place to evaporate, s ... |
31-7-2020 at 00:55
by: Tsjerk |
Disposal of solvents
There might be people here completely terrified with the idea, but if we are talking about <liter ... |
31-7-2020 at 00:31
by: Tsjerk |
Very dizzy after melting sulfur - what happened?
I mean sulfur dioxide causes dizziness.
https://nj.gov/health/eoh/rtkweb/documents/fs/1759.pdf
... |
30-7-2020 at 03:35
by: Tsjerk |
Very dizzy after melting sulfur - what happened?
Lead is easily dissolved in acetic acid with a bit of H2O2. I guess for the purpose of acting as sul ... |
30-7-2020 at 02:47
by: Tsjerk |
Questions about the Hofmann Rearrangement.
http://www.sciencemadness.org/talk/viewthread.php?tid=155329 |
30-7-2020 at 02:12
by: Tsjerk |
Activated carbon extraction?
I guess the carbon you cleaned the alcohol with was moist with alcohol when you oven dried it? In th ... |
28-7-2020 at 02:46
by: Tsjerk |
Activated carbon extraction?
I don't think so. As far as I know there is no way to reactivate activated carbon besides heating be ... |
28-7-2020 at 00:14
by: Tsjerk |
Is there any trick to get stir bars to stay centered and spin on flat bottom flasks?
[rquote=641541&tid=155857&author=Pumukli]In my experince they make the most annoying clickin ... |
27-7-2020 at 09:08
by: Tsjerk |
Evaporating bleach - what would come out?
It is not pure salt, it is a mixture of sodium chloride and chlorate, depending on the pH one of the ... |
27-7-2020 at 09:06
by: Tsjerk |
Do I really need to dry every chemical for a grignard reaction, even if it's new in a bottle from a chemical supplier?
You could throw in some sieves in every bottle, but it is probably not really necessary. Especially ... |
25-7-2020 at 13:36
by: Tsjerk |
Zn + technical HCl = red precipitate?! Selenium?
How do you know how much is there? I highly doubt this is from your HCl. Is it colorless? |
25-7-2020 at 09:20
by: Tsjerk |
Acetone distillation temp?
How wet is wet? If it is in the 5-10% range you could dry the acetone with some epsom salt or so. |
25-7-2020 at 04:36
by: Tsjerk |
Bromo-DDT, p,p-dibromo-diphenyl-1,1,1-trichloro-ethane
I made an emulsion because I thought the evaporation method was a bit crude and a lot of Br-DDT was ... |
25-7-2020 at 03:44
by: Tsjerk |
Is there any trick to get stir bars to stay centered and spin on flat bottom flasks?
If the stir bar has too much friction, I will start jumping. So here your 4 liters of liquid is to h ... |
25-7-2020 at 01:53
by: Tsjerk |
How to start organic chemistry?
Maybe isolate some aspirin, deactylate it and do an esterfication with methanol? While at it you can ... |
24-7-2020 at 02:13
by: Tsjerk |
How to concentrate formic acid?
Article on producing 99% formic acid from 85%.
[file]82377[/file] |
22-7-2020 at 00:50
by: Tsjerk |
Removing lead oxide from lead ingots.
That temperature would make the reaction useless for removal of oxide from ingots wouldn't it? |
21-7-2020 at 10:46
by: Tsjerk |
Removing lead oxide from lead ingots.
AJOEKER: At what temperature does that reaction run? |
21-7-2020 at 08:52
by: Tsjerk |
What mechanism typically stops a gas evolving reaction reaching "infinite" pressure?
I don't think salts will easily fall out of solution because of pressure.
Sci-hub.tw/https://doi. ... |
20-7-2020 at 02:42
by: Tsjerk |
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