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Collecting and storing gases
You can use low temperature to liquefy the gas and store it then in a gas cylinder.
Regarding brom ... |
9-8-2021 at 20:42
by: Oxy |
What kind of gas mask should I buy for chlorine/SCl2
I wonder why people are so enthusiastic to military gear.
It's not the best to be honest, especial ... |
9-8-2021 at 10:42
by: Oxy |
Chemical purity grade food
Purity for food is much higher than "for analysis". Food grade chemicals must be prepared with a dif ... |
2-8-2021 at 00:33
by: Oxy |
Replacing halogen by hydrogen
Methyl iodide has a boiling point of 42[sup]o[/sup]C
Here you can find some info about alpha-halo ... |
30-7-2021 at 17:14
by: Oxy |
Help with solvent extraction and TLC of 5 hydroxymethyl furfural
Use much smaller samples and also much smaller concentrations. You should have spots but you have sm ... |
26-7-2021 at 20:27
by: Oxy |
How to effect a separation of two nearly identical cholesterols/steroids
Personally I would try to separate them chromatographically.
Find a system by means of TLC which gi ... |
23-7-2021 at 18:37
by: Oxy |
Aluminum Factory Explosion
[rquote=663212&tid=157746&author=Metallophile]"Very hot metal and water... No chemistry, jus ... |
23-7-2021 at 09:30
by: Oxy |
Different molecular sieves question
[rquote=663133&tid=157740&author=Mateo_swe]
But what i dont understand is, if 3A molecular ... |
21-7-2021 at 21:21
by: Oxy |
Ethanol and methanol interchangeability?
I used absolute ethanol with success as a replacement of methanol as a solvent. However, for some re ... |
21-7-2021 at 12:25
by: Oxy |
Cheap Vacuum for Vacuum Distilation
I removed an aerator from my tap and used a garden hose quick fit adapter to make a quick fit connec ... |
20-7-2021 at 14:55
by: Oxy |
Electrophilic chlorination
[rquote=663104&tid=157734&author=Monoamine]So I'm starting to draw up all the prerequisites ... |
20-7-2021 at 14:49
by: Oxy |
Cheap Vacuum for Vacuum Distilation
Get an aspirator. The pump you linked looks weak, it may be helpful for filtrations but not really f ... |
20-7-2021 at 14:29
by: Oxy |
Leading reaction fumes out with a tube?
[rquote=663081&tid=157732&author=Fyndium]When there is a reaction that produces for example ... |
19-7-2021 at 22:28
by: Oxy |
Leading reaction fumes out with a tube?
A hose attached to apparatus is a good idea. If the gases are really toxic or smelly it might be a s ... |
19-7-2021 at 09:22
by: Oxy |
Science Madness Mug
[rquote=662971&tid=157715&author=Fulmen]Christ. Controversy from a coffee mug? Some people r ... |
17-7-2021 at 01:50
by: Oxy |
Can I expect good separation of haloform products?
[rquote=662966&tid=157707&author=SWIM]I'm skeptical about that reaction in the link.
I do ... |
16-7-2021 at 22:33
by: Oxy |
Can I expect good separation of haloform products?
I don't think so.
If you bubble chlorine gas through chloroform then the reaction conditions are de ... |
16-7-2021 at 21:40
by: Oxy |
Science Madness Mug
Your post looks like probably it was not the cocoa, karlos³  |
16-7-2021 at 12:37
by: Oxy |
Science Madness Mug
I am pretty sure it will be mentioned in the first post, I am also pretty sure that many of them wil ... |
16-7-2021 at 11:28
by: Oxy |
call for participation: modernizing SM forum software
If there is something that needs some work I can participate.
I have several years of commercial ex ... |
16-7-2021 at 11:27
by: Oxy |
Science Madness Mug
[rquote=662929&tid=157715&author=Texium]When I made t-shirts with the Sciencemadness logo, I ... |
16-7-2021 at 07:40
by: Oxy |
Can I expect good separation of haloform products?
No, there is no risk of phosgene formation during reaction. However, chloroform can itself decompose ... |
15-7-2021 at 01:04
by: Oxy |
Cheap 97% sulfuric acid and 35% hydrogen peroxide [from EU]
Sure, but officially you need to own a business for which you need precursors.
The directive says ... |
13-7-2021 at 12:16
by: Oxy |
Puryfiing 99% denatured alcohol
[rquote=662823&tid=157689&author=Tsjerk]I heard moonshining is big in Scandinavian countries ... |
13-7-2021 at 12:02
by: Oxy |
Cheap 97% sulfuric acid and 35% hydrogen peroxide [from EU]
In my EU based country it is still easy to buy 96% H2SO4 as a drain cleaner at online auction portal ... |
13-7-2021 at 09:53
by: Oxy |
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