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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 |
I cant find a problem of my heating mantle
It looks like a short circuit. It may be inside the heating element or on the circuit board. It may ... |
23-5-2024 at 13:54
by: bnull |
bacteria
Why not a lemonade? Mix the electrolyte with some lemon juice, add water and sugar. Or orange juice. ... |
23-5-2024 at 08:34
by: bnull |
Diethylether (sulfuric acid saving method)
Yep. |
22-5-2024 at 06:27
by: bnull |
Diethylether (sulfuric acid saving method)
[rquote=693171&tid=160329&author=RU_KLO]I want to test the ether "pipe" procedure.
This i ... |
22-5-2024 at 06:13
by: bnull |
Ethylene Production
(1) Sorry, no idea. I suspect that in your case it will be trial and error.
(2) See J. B. Cohen, ... |
21-5-2024 at 17:29
by: bnull |
Introduction
Hello! Welcome to the forum!
For inorganic preparations, you may want to check out some books in ... |
21-5-2024 at 11:28
by: bnull |
Hobnob. Introduction.
Hello, and welcome to the forum!
I suppose, based on your own words, that you have been visiting ... |
21-5-2024 at 02:59
by: bnull |
Diethylether (sulfuric acid saving method)
[rquote=693141&tid=160329&author=Jenks]If the water is removed by distilling it as the azeot ... |
20-5-2024 at 05:04
by: bnull |
Does the temperature drop when a molecule splits in half?
I want to recommend a book in place of trying to address the issue, so you can see by yourself "wher ... |
19-5-2024 at 11:23
by: bnull |
Diethylether (sulfuric acid saving method)
[rquote=693127&tid=160329&author=chornedsnorkack]The unwanted reactions and unreactions:
[l ... |
19-5-2024 at 11:04
by: bnull |
Diethylether (sulfuric acid saving method)
[rquote=693106&tid=160329&author=unionised]I'm fairly sure that adding a concentrated aqueou ... |
17-5-2024 at 05:11
by: bnull |
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