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Stirrer bearing and vacuum, adapter?
I've used this type of adapter at up to 100C for extended periods
a 24/29 adapter in a 3-neck 500ml ...
4-8-2021 at 03:08
by: Sulaiman
Chemical purity grade food
[rquote=663490&tid=157772&author=Oxy]Purity for food is much higher than "for analysis".[/rq ...
2-8-2021 at 01:28
by: Sulaiman
Storage of 35% H2O2
You could pipe the oxygen generated by your bottle of decomposing peroxide to a gas collector and s ...
29-7-2021 at 05:54
by: Sulaiman
Storage of 35% H2O2
I bought 1l of 50% hydrogen peroxide 15 months ago and transfered it to a 1l korken (Ikea) bottle.
...
24-7-2021 at 06:22
by: Sulaiman
Storage of 35% H2O2
The vapour pressure of hydrogen peroxide is quite low,
so low that a sealed container does not need ...
22-7-2021 at 02:26
by: Sulaiman
Vogel. 5th edition
I have a pdf of Vogel's
Textbook of Organic Chemistry, 5th edition.
Very different from the old v ...
21-7-2021 at 02:26
by: Sulaiman
Can I expect good separation of haloform products?
OK... I think I get it... thanks.

I've got all required reactants, just cleaning and drying every ...
16-7-2021 at 22:28
by: Sulaiman
Can I expect good separation of haloform products?
This video shows chlorine bubbling through chloroform producing carbon tetrachloride.
https://www ...
16-7-2021 at 19:38
by: Sulaiman
Quartz tubes
I have not checked but I imagine that a 100 year old working electrical device has significant antiq ...
13-7-2021 at 05:19
by: Sulaiman
Can I expect good separation of haloform products?
I intend to try making chloroform by a few methods;
- calcium hypochlorite + acetone
- calcium hyp ...
13-7-2021 at 04:32
by: Sulaiman
thermoelectric cooling bath
Here in Malaysia the ambient temperature is often 35C,
for an ice bath/reservoir I've been using a ...
5-7-2021 at 06:26
by: Sulaiman
thermoelectric cooling bath
Anything that can maintain a compressive force ;
wood with clamps should be ok.
4-7-2021 at 20:43
by: Sulaiman
The Short Questions Thread (4)
Answered my own question...I have 3A molecular sieves.
[file]89263[/file]
4-7-2021 at 18:32
by: Sulaiman
thermoelectric cooling bath
Thermal paste will keep them in place long enough for you to
APPLY THE NECESSARY CLAMPING FORCE.
4-7-2021 at 18:07
by: Sulaiman
thermoelectric cooling bath
Rather than heatsink fins dipping in running water you could consider the cpu cooler water blocks, e ...
4-7-2021 at 17:28
by: Sulaiman
thermoelectric cooling bath
https://www.sciencemadness.org/whisper/viewthread.php?tid=106620

I later got another two similar ...
4-7-2021 at 14:59
by: Sulaiman
KOH or CaCl2 to dry KI?
I want to dry 20g of KI to weigh it for redox titrations, I intend to use a jam jar as a dessicator
...
3-7-2021 at 06:29
by: Sulaiman
Safety measures for working with NO2
If you can guarantee always being upwind then it's very safe
If you get a whiff of NO[sub]2[/sub], ...
2-7-2021 at 05:56
by: Sulaiman
Cosmetics Chemistry
Definitely not my area but
I've noticed that benzoic acid and parabens are undesirable to many cons ...
30-6-2021 at 23:32
by: Sulaiman
Iodine from tincture
I think that I'd try bubbling chlorine through the solution,
(e.g. TCCA + HCl)
should be able to g ...
26-6-2021 at 02:47
by: Sulaiman
Iodine from tincture
Is it definitely "iodine tincture" https://en.wikipedia.org/wiki/Tincture_of_iodine
or is it "Povid ...
24-6-2021 at 03:22
by: Sulaiman
TCCA + EtOH = Chloroform?
I have performed the classic acetone + hypochlorite haloform reaction a couple of times,
I would li ...
22-6-2021 at 20:38
by: Sulaiman
Chemical Resistant Vacuum Tubing?
2mm i.d. is rather small for a vacuum line, pumping down may be rather slow.

I would be more conc ...
22-6-2021 at 15:07
by: Sulaiman
sulfur charring?
https://en.wikipedia.org/wiki/Allotropes_of_sulfur
You will probably find the answer there.
22-6-2021 at 04:18
by: Sulaiman
Chemically resistent pump
Multiple small pumps for the acid seems do-able and you can build in some redundancy.

You could c ...
15-6-2021 at 17:21
by: Sulaiman
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