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Brewing Homemade Vinegar to Make Acetic Acid
You need to ensure that the bacteria also have access to air so that they can oxidise the ethanol.
...
18-9-2021 at 10:51
by: unionised
Tried to make Sodium Alginate(from kelp) and Calcium alginate, but something's wrong
Did you do anything to remove sodium carbonate from your alginate solution?
Could CaCO3 be a probl ...
17-9-2021 at 09:19
by: unionised
Lethal dose of mercuric nitrate
A lot of work has been done on the toxico-kinetics of mercury (with and without organo bits).
https ...
15-9-2021 at 12:00
by: unionised
I want to suspend Strontium Aluminate phosphor particles in liquid...
Did you consider using something like dyed perspex powder as a phosphor?
14-9-2021 at 11:45
by: unionised
Weighing Teflon with static electricity
[rquote=665249&tid=157928&author=Morgan]It might interesting to weigh electrets.[/rquote]

...
14-9-2021 at 04:04
by: unionised
I want to suspend Strontium Aluminate phosphor particles in liquid...
looking at this
https://en.wikipedia.org/wiki/Heavy_liquid#List_of_common_heavy_liquids_with_densit ...
13-9-2021 at 13:44
by: unionised
Weighing Teflon with static electricity
We just use one of these
https://www.amazon.co.uk/Milty-5036694022153-Zerostat-Anti-Static-Blue/dp/ ...
13-9-2021 at 03:54
by: unionised
Cinnamic acid extraction from shea butter
You might be able to esterify everything with methanol, and then steam distil out the methyl cinnama ...
11-9-2021 at 08:11
by: unionised
Glassware stuck together by sulfur from sulfur monochloride
Can you just melt the sulphur?
11-9-2021 at 02:54
by: unionised
How toxic are Beryllium compounds really ?
I'm still puzzled by Vano's apparent view that
"It is better not to warn people".

What harm does ...
10-9-2021 at 04:15
by: unionised
How toxic are Beryllium compounds really ?
[rquote=665052&tid=157905&author=vano] Ironically, none of the old reagents were written tha ...
9-9-2021 at 11:46
by: unionised
How toxic are Beryllium compounds really ?
[rquote=665045&tid=157905&author=vano]unionised If you had entered the laboratory half a cen ...
9-9-2021 at 08:14
by: unionised
How toxic are Beryllium compounds really ?
A wise man pointed out long ago that everything is a poison and nothing is a poison.
What makes the ...
9-9-2021 at 04:27
by: unionised
How toxic are Beryllium compounds really ?
I understand that part of the problem is that individual susceptibility is very variable.
Some peop ...
9-9-2021 at 03:27
by: unionised
KHSO4 Potassium bisulfate
[rquote=664991&tid=157902&author=Mateo_swe]I have been looking for some Potassium bisulfate ...
7-9-2021 at 10:25
by: unionised
Border between inorganic and organic chemistry ?
[rquote=664946&tid=157897&author=Herr Haber]The distinction is clear. ...
simple oxides of ...
6-9-2021 at 12:33
by: unionised
Border between inorganic and organic chemistry ?
There is no clear distinction.
If you have a carbon-carbon bond it is almost always classes as orga ...
6-9-2021 at 03:14
by: unionised
Sodium hydride purification (NaH)
The powder is dispersed in the oil.

A paste.

The oil restricts the rate at which the hydride r ...
5-9-2021 at 05:12
by: unionised
Sodium hydride purification (NaH)
I'm fairly sure that NaH would deprotonate acetonitrile.

The easy way is simply to add more hexan ...
4-9-2021 at 11:13
by: unionised
Copper Sulfate Electrolysis
I think that the monohydrate of copper (II) sulphate may form. in solutions with a (relatively) larg ...
3-9-2021 at 17:22
by: unionised
Making the H2/Cl2 Explosion More Interesting
[rquote=664708&tid=157871&author=AJKOER]

"The mixture of /activated carbon and chlorine/ ...
31-8-2021 at 04:47
by: unionised
Prince ruperts drops as initiators?
The issue isn't about discussing something which has been discussed before- especially if you have a ...
29-8-2021 at 02:41
by: unionised
formation of grignard reagents in DIPE
The discussion about it here
http://www.sciencemadness.org/talk/viewthread.php?tid=11151
didn't se ...
28-8-2021 at 06:52
by: unionised
Copper Nitrate
[rquote=664518&tid=157857&author=DraconicAcid]The solvent woelen is thinking of was ethyl ac ...
25-8-2021 at 09:24
by: unionised
Insulating Pipes and Tubes - Which Pipe Insulator to use?
You can get silicone foam tubing.
24-8-2021 at 10:07
by: unionised
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