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Where can I get bacteria professionally identified? It may sound a bit odd (or quite bizarre, as it now seems to me) but, are you friendly with any vete ... |
8-6-2024 at 06:24 by: bnull |
How to [recover] dissolved in acid Tin Did you try electrolysis? |
7-6-2024 at 15:50 by: bnull |
Diethylether (sulfuric acid saving method) [rquote=693449&tid=160329&author=RU_KLO]So its not an easy task.... (instead of the second H ... |
7-6-2024 at 09:43 by: bnull |
The Short Questions Thread (4) It is to minimize error. The amount of liquid that gets into the ground glass joint is predictable a ... |
7-6-2024 at 09:14 by: bnull |
What have we got so far I thought it would be good to condense what has been discussed, what works and what does not.
[li ... |
7-6-2024 at 05:50 by: bnull |
Steel temperature transformation range(s) [rquote=693423&tid=160361&author=justender]"[u]temperature range[/u] - The temperature at wh ... |
5-6-2024 at 09:14 by: bnull |
Stubborn benzophenone You would have to do that second distillation anyway.
No, I just thought benzopinacol would be in ... |
4-6-2024 at 06:52 by: bnull |
Pyrazinoate from 2-acetylpyrazine @jackchem2001: It is pyrazine, with two N in the ring, one opposite the other (https://en.wikipedia. ... |
4-6-2024 at 06:26 by: bnull |
Stubborn benzophenone I thought a re-distillation would work. It's good to see that it did.
[quote]I put the vial in th ... |
3-6-2024 at 13:14 by: bnull |
Stubborn benzophenone Did you distill it again?
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2-6-2024 at 16:12 by: bnull |
Distilling methyl nitrate Do you really need methyl nitrate? Volatile, toxic, explodes at 64 °C or so (which funnily enough i ... |
2-6-2024 at 08:31 by: bnull |
DIY melting point apparatus Don't forget the sounds. A bip when the device is turned on, a bip when it is turned off, that kind ... |
1-6-2024 at 04:42 by: bnull |
Stubborn benzophenone Dissolve some drops of benzophenone in ethanol or ether, spread the solution on a dish to dry and th ... |
31-5-2024 at 12:02 by: bnull |
Failed attempts at oxidation of alcohols with DMSO/P2O5 Well, I'm sadistic enough to offer you some more references. They come from the Encyclopedia of Reag ... |
29-5-2024 at 16:02 by: bnull |
Has anyone ever had a bottle of pool grade calcium hypochlorite burst? One of the impurities of pool chlorine is calcium chloride, which is hygroscopic. It takes up water ... |
29-5-2024 at 15:40 by: bnull |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? [rquote=693326&tid=160303&author=clearly_not_atara]Alternative possibilities include heating ... |
29-5-2024 at 09:35 by: bnull |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? What about ammonium benzoate from ammonium bicarbonate and benzoic acid? There would be no sodium ch ... |
29-5-2024 at 06:22 by: bnull |
Mini- (or micro-) hot plate / stirrer If it breaks, you can either fix it yourself or use it to house a new circuit. Not bad. |
28-5-2024 at 14:50 by: bnull |
n chloro butylamine [rquote=693292&tid=160347&author=mr_bovinejony]Is it not mentioned in the first post that py ... |
28-5-2024 at 03:04 by: bnull |
n chloro butylamine I read the section "N-Halo-de-hydrogenation" from March's Advanced Organic Chemistry (7th), pages 72 ... |
27-5-2024 at 08:50 by: bnull |
n chloro butylamine BOC looks better. Or maybe you can make an amide. Trityl could end up being chlorinated too; a napht ... |
27-5-2024 at 06:58 by: bnull |
n chloro butylamine What about protecting the amino group? Protection would reduce reactivity and leave only one hydroge ... |
27-5-2024 at 05:32 by: bnull |
Ca+YF3 bad idea? I'd say "Don't do that!"
[b]Edit[/b]: OK, I think you deserve an explanation: fluorine is a bitch ... |
26-5-2024 at 12:37 by: bnull |
I cant find a problem of my heating mantle @Rainwater: 500 W is the heating power, as described in the label (image 4). The resistance of the m ... |
24-5-2024 at 04:49 by: bnull |
Sulphuric acid from nitric acid Nitrosylsulfuric acid (https://www.sciencemadness.org/smwiki/index.php/Nitrosylsulfuric_acid and htt ... |
23-5-2024 at 14:42 by: bnull |
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