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BBr3 synthesis
Don't start shitty stories again. An inert atmosphere is not the same as a Schlenk line. You only ne ...
3-2-2020 at 15:36
by: Tsjerk
What is generally legal or illegal in Germany/EU?
Zyklon B is produced on a multi ton scale every day. It is such an important chemical building block ...
3-2-2020 at 14:56
by: Tsjerk
BBr3 synthesis
BF3 in THF is quite fine. It forms an adduct. As long you don't throw in water or an acid you won't ...
3-2-2020 at 14:22
by: Tsjerk
Phenol crystals
It melts at 41, shouldn't you want a solid? I would expect a solid chunk of whitish solid in the rec ...
3-2-2020 at 14:08
by: Tsjerk
New chemicals for sale !
Nice service, got my cyclopentanone and some other stuff. I couldn't find the cyclopentanone anywher ...
3-2-2020 at 13:52
by: Tsjerk
What is generally legal or illegal in Germany/EU?
Only very few chemicals are absolutely illegal to produce/pocess. The troubles start when questions ...
2-2-2020 at 05:44
by: Tsjerk
Distillation Setup for 1100°C (High Tmperature)?
I believe we should stop talking about distillation and start talking about sublimation, as these tw ...
2-2-2020 at 05:24
by: Tsjerk
Molecule of the Month Website
I forgot about this one ten years ago! A nice read in times of boredom
1-2-2020 at 09:17
by: Tsjerk
What is generally legal or illegal in Germany/EU?
One of the more specific questions I have seen today... This question can be answered with only one ...
1-2-2020 at 07:28
by: Tsjerk
Mysterious black crystals from sodium salicylate?
[rquote=630335&tid=154795&author=morganbw]From internet search:
Active ingredient - Purpo ...
31-1-2020 at 09:59
by: Tsjerk
Methods for preventing over addition of Grignard reagent
[rquote=630336&tid=154785&author=DavidJR]Yes. Cheap magnesium turnings off of eBay are proba ...
31-1-2020 at 09:56
by: Tsjerk
Methods for preventing over addition of Grignard reagent
[rquote=630333&tid=154785&author=DavidJR]Oxidation can be, but purity of the bulk metal cann ...
31-1-2020 at 07:59
by: Tsjerk
Methods for preventing over addition of Grignard reagent
[rquote=630329&tid=154785&author=DavidJR]I will add though that good quality (high purity an ...
31-1-2020 at 07:44
by: Tsjerk
Acetic anhydride preparation
[rquote=630330&tid=9&author=DavidJR]Ozone + acetylene sounds like a really terrible idea.[/r ...
31-1-2020 at 07:35
by: Tsjerk
Making uranium and thorium by electrolysis?
[rquote=630318&tid=154784&author=chornedsnorkack]https://www.sciencedirect.com/science/artic ...
31-1-2020 at 07:01
by: Tsjerk
Mysterious black crystals from sodium salicylate?
Many phenols polymerize under the influence of oxygen to black tarry crap. They usually do this when ...
31-1-2020 at 06:40
by: Tsjerk
Report on making Erbium Iodide
Very nice indeed, now I wonder how you made the sulfate.. I really like your series as well.
30-1-2020 at 13:36
by: Tsjerk
Distillation Setup for 1100°C (High Tmperature)?
[rquote=630293&tid=154790&author=Fulmen]Steel? That would be nice. But I don't think you'll ...
30-1-2020 at 13:28
by: Tsjerk
Distillation Setup for 1100°C (High Tmperature)?
There is a wide range of compounds that would eat any material, steal or not, for breakfast at 1100. ...
30-1-2020 at 13:09
by: Tsjerk
Distillation Setup for 1100°C (High Tmperature)?
What is the compound? Or at least what kind of compound is it? That is probably quite relevant here. ...
30-1-2020 at 12:08
by: Tsjerk
Methods for preventing over addition of Grignard reagent
[rquote=630282&tid=154785&author=DavidJR]
They are oxygen sensitive, but not to the extent ...
30-1-2020 at 11:33
by: Tsjerk
Making uranium and thorium by electrolysis?
If you have sodium, mercury and a CCl4 you could try this:
https://sci-hub.tw/https://doi.org/10. ...
30-1-2020 at 11:26
by: Tsjerk
Methods for preventing over addition of Grignard reagent
Grignards are not oxygen sensitive are they? A drying tube and dry glassware should be enough.
30-1-2020 at 05:15
by: Tsjerk
Red Phosphorus Source
[rquote=630228&tid=154598&author=fusso]Why not both? I see this as irrelevant humour
[/rquo ...
30-1-2020 at 04:38
by: Tsjerk
H2SO4 distillation with rubber gasket?
A quartz distillation setup? That would be insanely expensive and unnecessary. Borosilicate is perfe ...
29-1-2020 at 02:20
by: Tsjerk
[Next Page]
Sciencemadness Discussion Board
» Search
Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
Engineering and Equipment
» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
» Computational Models and Techniques
Literature and Documentation
» Sciencemadness Wiki
» Prepublication
Non-science
» Forum Matters
» Legal and Societal Issues