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Reagent Co-opt
I'm about 3 hours away from what's left of the original Victoria.
https://en.wikipedia.org/wiki/Roy ...
21-10-2020 at 04:42
by: unionised
Experiment report: Cobalt Molybdate, amazing colors and a collloidal mystery
[rquote=646975&tid=156360&author=Bedlasky]
Determination of FeCl3 by titration with NaOH is ...
20-10-2020 at 13:37
by: unionised
Sodium methoxide from methanol, NaOH and Aluminium
[rquote=646986&tid=156354&author=njl]That's very interesting. In what way does the hydrogen ...
20-10-2020 at 11:08
by: unionised
Ultrasonic cleaner substituting a centrifuge in function
No
Ultrasonic cleaners work by helping to suspend stuff in liquids, not helping it to precipitate.
20-10-2020 at 10:39
by: unionised
Hexane from Adipic Acid?
If I wanted to make hexane, I'd start with this
https://en.wikipedia.org/wiki/Sorbic_acid
or this
...
19-10-2020 at 11:16
by: unionised
Qualitative determination of lead in tap water
[rquote=646855&tid=156341&author=AJKOER]One path is to investigate just add KI (or NaI) and ...
19-10-2020 at 08:27
by: unionised
Hexane from Adipic Acid?
It's an interesting idea but not a practical way to get cigarette lighter (Zippo) fuel.
Also I susp ...
19-10-2020 at 01:41
by: unionised
Cheap solvent pump that will not dissolve itself?
Most pumps are not spark proof, so you wouldn't want to use them for flammable solvents.
18-10-2020 at 10:49
by: unionised
Qualitative determination of lead in tap water
I think I would be more worried about the cyanide (and, to a lesser extent,the barbital) in the buff ...
18-10-2020 at 08:14
by: unionised
Everyone's selling water (hydrates)
It's actually worse than the OP suggests.
For example I wanted some freshly precipitated magnesium ...
17-10-2020 at 03:28
by: unionised
Soxhlet uses for extracting compounds?
[rquote=643230&tid=156045&author=Fyndium]... except extracting compounds from vegetables? [/ ...
16-10-2020 at 06:35
by: unionised
Soxhlet uses for extracting compounds?
This is the "calassic" use of a soxhlet as a way to force a reaction.

https://www.prepchem.com/sy ...
16-10-2020 at 05:41
by: unionised
Aluminum oxide (sapphire) glassware?
The chemical resistance is also good.
But it can't be made into shapes the same way that glass can. ...
15-10-2020 at 09:25
by: unionised
How to seal a threaded stainless steel retort ?
I know they silver plate SS threads to stop them sticking.
I wonder if that would also improve the ...
14-10-2020 at 11:14
by: unionised
What would the colour be?
[rquote=646495&tid=156282&author=itsallgoodjames]

If you're responding to me, [/rquote]
...
14-10-2020 at 10:49
by: unionised
What would the colour be?
maybe
https://pubchem.ncbi.nlm.nih.gov/compound/Nitryl-chloride
Though the yield can't be good or ...
14-10-2020 at 10:06
by: unionised
Found mercury by luck then was offered some more !
Please do not try to lift that flask of mercury unless you are very sure that it's empty.
14-10-2020 at 03:44
by: unionised
Broken Glass Bottles in Freezer- How to avoid? (thermal expansion)
This does not make sense.

As far as I'm aware, no aldehyde expands on freezing.

If they broke ...
14-10-2020 at 03:41
by: unionised
How are phosphorus burns treated?
Ask a doctor.
Best answer; don't get burned but...
Just in case anyone else is (like me) old enoug ...
13-10-2020 at 09:17
by: unionised
Platinum Group Purification
[rquote=646131&tid=156283&author=Texium (zts16)]

because you can actually use sub-mg amo ...
12-10-2020 at 11:11
by: unionised
Making Titanium Tetrachloride
In general, it's a good idea not to put your finger into a mixture of sodium hydroxide and bleach.
...
12-10-2020 at 10:29
by: unionised
Vapor pressure of toxic solids?
[rquote=646182&tid=156290&author=Fyndium]
The vapor pressure of said substance is 0.1Pa.

...
11-10-2020 at 04:43
by: unionised
How to get a glue from floor
Be careful that the hot air gun doesn't set the solvent residue on fire.
10-10-2020 at 04:57
by: unionised
NO2 oxidizer in gas explosion?
The barking dog reaction is sometimes done with NO or N2O so I guess NO2 would also work.
8-10-2020 at 08:24
by: unionised
What Happened in Beirut
[rquote=646073&tid=155931&author=Antiswat]
i dont really get why there was fireworks going ...
8-10-2020 at 08:17
by: unionised
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