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Dielectric constant of liquid iodine I'd expect it to have a very high polarisability, but over 100 seems too high.
It's not going to ... |
9-4-2019 at 12:04 by: unionised |
Whoosh bottle experiment "why shouldn't we use glass bottles while plastic works?"
https://en.wikipedia.org/wiki/Shrapnel_sh ... |
8-4-2019 at 11:24 by: unionised |
Potassium ethoxide I think commercial KOH may have more water in than commercial NaOH.
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7-4-2019 at 08:57 by: unionised |
Potassium ethoxide [rquote=607684&tid=147484&author=Tsjerk]This has been done for sodium ethoxide, there is a v ... |
7-4-2019 at 08:11 by: unionised |
Peptide synthesis is awesome "Peptide synthesis is awesome"
Well, I wouldn't say that, but it's growing on me. |
7-4-2019 at 04:29 by: unionised |
Hazardous chemicals Most people have found out what Cu++ ions taste like by handling copper coins, then eating stuff wi ... |
7-4-2019 at 01:21 by: unionised |
Hazardous chemicals IIRC the limit set by WHO for copper compounds in drinking water is due to taste, rather than toxici ... |
5-4-2019 at 09:34 by: unionised |
Testing for lead or it's oxides - best method? [rquote=607278&tid=147290&author=woelen]A At 1 ppt (part per trillion) you won't even smell ... |
3-4-2019 at 12:26 by: unionised |
distilled water for diy ph calibration solution ? [rquote=607057&tid=147206&author=CharlieA]I would think that a decent pH meter would read 7 ... |
1-4-2019 at 13:06 by: unionised |
DIY High Energy Capacitor for pulsed power The trouble with nanosecond timescales and water caps is that the speed of EM radiation in water (ne ... |
1-4-2019 at 12:48 by: unionised |
DIY High Energy Capacitor for pulsed power For cold pure water the resistivity is 0.18 Mohm metres.
And the dielectric constant is about 80 an ... |
1-4-2019 at 11:37 by: unionised |
Mercury cleanup [rquote=606954&tid=147173&author=Sulaiman]Mercury has a vapour pressure of 0.5 to 1 Pa at ty ... |
31-3-2019 at 05:38 by: unionised |
scrap zirconium souces [rquote=606752&tid=146880&author=Herr Haber]Yeah, for drinking ![:)](./images/smilies/smile.gif)
Russian guy selling Zir ... |
28-3-2019 at 12:34 by: unionised |
Peptide synthesis is awesome There are also a few legal issues.
Patents, licensing compliance etc.
The companies that did the ... |
17-3-2019 at 06:29 by: unionised |
Yellow ether? Acetaldehyde can be formed from peroxides I think.
Air will certainly oxidise ethanol, so, unless y ... |
10-3-2019 at 13:46 by: unionised |
Yellow ether? At a guess, traces of acetaldehyde (from oxidation of the ethanol) which polymerises in alkaline con ... |
10-3-2019 at 01:11 by: unionised |
Spirulina [rquote=604598&tid=145701&author=BlueThumbDev]I understand the dangers of isolating anything ... |
6-3-2019 at 13:17 by: unionised |
Dimethylmercury [rquote=604534&tid=146072&author=urenthesage] I dont know if it is produced when in the pres ... |
5-3-2019 at 14:14 by: unionised |
Spirulina [rquote=604525&tid=145701&author=Tsjerk]
As long as you don't drink the supernatant you sho ... |
5-3-2019 at 11:24 by: unionised |
Spirulina [rquote=604433&tid=145701&author=Nate] if you know what you're doing and have the right equi ... |
5-3-2019 at 11:19 by: unionised |
Spirulina Am I right in thinking that there are some cyanobacteria that you really don't want to play with?
h ... |
4-3-2019 at 11:40 by: unionised |
How can i extract elemental mercury from mercury(II) iodide? I'm fairly sure that an alkaline solution of mercury iodide in KI can be reduced by formaldehyde or ... |
28-2-2019 at 13:37 by: unionised |
Hydrogen peroxide from ozone and water? I'm fairly sure you can photolyse ozone to give essentially a free oxygen atom (and O2) .
And I cou ... |
24-2-2019 at 09:07 by: unionised |
Hydrogen peroxide from ozone and water? [rquote=603427&tid=145456&author=hissingnoise]
Its cost of production is so high that int ... |
24-2-2019 at 06:17 by: unionised |
New proposal for EU regulations [rquote=603317&tid=145219&author=Tsjerk]
OK, we might have some regulations being pushe ... |
23-2-2019 at 10:49 by: unionised |
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