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The logic behind symbols of chemical elements ?
It's all the Germans' fault. |
11-10-2023 at 19:11
by: clearly_not_atara |
chemical production of ozone
I do remember once seeing the equation:
2 KO2 + H2SO4 >> O3 + K2SO4 + H2O
which aside fr ... |
6-10-2023 at 14:21
by: clearly_not_atara |
Differentiating K2CO3 and CaCl2
No need to waste HCl. K2CO3 will bubble up with household vinegar. There are tests for potassium, bu ... |
4-10-2023 at 06:54
by: clearly_not_atara |
chemical production of ozone
IIRC ozone is produced by the reaction of fluorine gas with water under certain conditions.
Of c ... |
2-10-2023 at 03:02
by: clearly_not_atara |
A Sciencemadness Citation!
And just nineteen years from publication to first citation! |
28-9-2023 at 09:07
by: clearly_not_atara |
Finding small amounts of Plutonium or U235?
I have some experience working in radiation safety and the control of radioactive materials.
Sho ... |
25-9-2023 at 05:11
by: clearly_not_atara |
(Anhydrous?) Ethanol from car E85
I'm going to guess that there's a denaturant or something designed to make it harder to distill any ... |
23-9-2023 at 11:10
by: clearly_not_atara |
Unexplained crystals produced in the synthesis of potassium trisoxalatoferrate(III)
Trisoxalatochromate is reportedly very dark blue. |
21-9-2023 at 17:23
by: clearly_not_atara |
Diethyl ether from ethanol and something else than sulphuric acid
[rquote=687451&tid=159854&author=Keras][rquote=687429&tid=159854&author=clearly_not_ ... |
19-9-2023 at 09:13
by: clearly_not_atara |
my crackpot theory of brominations in acetic acid
There are a few papers describing brominations in acetic acid using a bromide salt + oxidant, such a ... |
16-9-2023 at 06:54
by: clearly_not_atara |
Diethyl ether from ethanol and something else than sulphuric acid
[rquote=687362&tid=159854&author=Keras]
Well, I have oxalic acid but no boron oxide (I have ... |
16-9-2023 at 06:27
by: clearly_not_atara |
How to totally destroy non-stick coating?
[file]99466[/file] |
16-9-2023 at 05:30
by: clearly_not_atara |
Al/NiCl2*6H2O: OTC hydride-like reactivity
Years ago I posted this thread without thinking too critically about the stoichiometry issues (massi ... |
14-9-2023 at 15:12
by: clearly_not_atara |
HBr synthesis from BCDMH
[rquote=682700&tid=159442&author=AvBaeyer]Where do you get the idea that ammonia will react ... |
12-9-2023 at 06:04
by: clearly_not_atara |
Diethyl ether from ethanol and something else than sulphuric acid
I think the formation of ethyl sulfate would actually slow down the reaction. EtSO4H should be a wea ... |
12-9-2023 at 04:55
by: clearly_not_atara |
Diethyl ether from ethanol and something else than sulphuric acid
Ether forms by the following mechanism:
EtOH + HX >> EtOH2+ + X- (HX is any acid)
EtOH2+ ... |
9-9-2023 at 15:01
by: clearly_not_atara |
NaOAc, KOAc and K2CO3.
Sodium and potassium can be separated to a surprisingly large degree by the use of oxalate. Potassiu ... |
4-9-2023 at 19:54
by: clearly_not_atara |
thoughts on possible practical synthesis of benzene nitride (2D-C3N)
The problem with a "mixture" is that it leaves the monomer exposed to air. Since the polymerization ... |
29-8-2023 at 11:21
by: clearly_not_atara |
A theoretical question
If 1-phenylethanol is available, you could transesterify to this ester, then with heat and moderate ... |
29-8-2023 at 02:59
by: clearly_not_atara |
thoughts on possible practical synthesis of benzene nitride (2D-C3N)
In 2017, a research team from China (and one Israeli) announced the first successful "macroscale" (m ... |
28-8-2023 at 16:44
by: clearly_not_atara |
Preparation of ionic nitrites
You [i]inhaled[/i] crude isopropyl nitrite?!
Well, I guess we know it works... |
28-8-2023 at 13:46
by: clearly_not_atara |
paradiclorobenzene - possible degradation of
https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2003-39887
[i]We report here ... |
26-8-2023 at 10:35
by: clearly_not_atara |
The Short Questions Thread (4)
I think that small particles of unoxidized Mg are incorporated into the tarnish layer, darkening it. ... |
26-8-2023 at 05:31
by: clearly_not_atara |
Calcium metal from calcium sulfate
I suspect there might be a third option. Calcium salts are more soluble in many aprotic solvents tha ... |
18-8-2023 at 21:42
by: clearly_not_atara |
Acetic anhydride preparation
[quote]BAV, I’m not sure if the hexametaphosphate salts would do the trick as described in that pa ... |
15-8-2023 at 12:52
by: clearly_not_atara |
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