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Effect of impure reagents on reactions?
[rquote=639051&tid=155649&author=morganbw]@mackolol
gave you a very good example.
If you a ... |
23-6-2020 at 23:46
by: Tsjerk |
Mysterious orange-brown residue inside used glassware
I would start with soaking with acetone. |
22-6-2020 at 12:07
by: Tsjerk |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
I first cleaned my technical toluene by stirring 100 ml with 15 ml concentrated H2SO4 at RT for abou ... |
21-6-2020 at 23:38
by: Tsjerk |
Do you know any hobby/private E-Waste recyclers?
Silicon and magnesium react to give interesting magnesium silicide! |
21-6-2020 at 05:16
by: Tsjerk |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
I had such a great idea... only the execution was a bit poor.
I started the reaction, everything ... |
19-6-2020 at 07:38
by: Tsjerk |
Almost getting caught
A friend of mine was kicked out of university chemistry because he was caught. He had a small amount ... |
18-6-2020 at 12:23
by: Tsjerk |
Darzen condensation
To be clear, they don't use halo-acetic acid. And why would you doubt this reference? Do you have re ... |
18-6-2020 at 11:25
by: Tsjerk |
Darzen condensation
Start by giving a reference to the procedure you are talking about... |
18-6-2020 at 09:21
by: Tsjerk |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
With a bit of luck I can try this reaction tomorrow, I will let you know what happens.
I'm not su ... |
18-6-2020 at 06:54
by: Tsjerk |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
Melting point of compounds is a nice way to determine whether it is pure. Mixtures however often are ... |
16-6-2020 at 05:46
by: Tsjerk |
Vacuum and fractional distillation
You can do a transesterfication with methanol directly on the triglycerides! |
15-6-2020 at 11:37
by: Tsjerk |
Has anyone ever heard about the Periodic Cycle?
I have seen many different ways of drawing it in a magazine once. I don't remember where though.
... |
15-6-2020 at 01:47
by: Tsjerk |
Distillation of solvents
[rquote=638346&tid=155583&author=unionised]
You would think so, but dropping the pressure d ... |
15-6-2020 at 00:20
by: Tsjerk |
How the L pills in WWII era were made?
A boiling liquid in your mouth doesn't feel that strange, I think the Leidenfrost absorps most of th ... |
14-6-2020 at 05:41
by: Tsjerk |
Distillation of solvents
Rate of evaporation is dependent on how much energy you can get into the system and of course the am ... |
14-6-2020 at 05:35
by: Tsjerk |
Selectively reacting methanol over ethanol?
I'm pretty sure 3A sieves don't absorp methanol, that would make moonshiner's life very easy... |
14-6-2020 at 05:26
by: Tsjerk |
Selectively reacting methanol over ethanol?
Being able to design molecules and selectively make those with the right precursors indeed sucks.... ... |
14-6-2020 at 02:40
by: Tsjerk |
What is the cost to set up a lab or lab-like area?
At least get yourself some proper ventilation. I would recommend a fume hood, which can be as simple ... |
14-6-2020 at 02:32
by: Tsjerk |
ortho nitration of p-toluenesulfonic acid(QUESTIONS)
I can't find anyone reporting anything on this procedure either, but I guess it could work, or at le ... |
14-6-2020 at 02:22
by: Tsjerk |
What are your experiences with Chemsavers? Reliable supplier for amateurs?
Ask your professor if it is ok. Mine didn't have any problems with me ordering stuff, as long as I p ... |
13-6-2020 at 00:52
by: Tsjerk |
Pyrolysis Oil via Ozonide Decomposition?
I would expect any double bound to be cleaved and oxidized to carboxylic acids. I expect the ester b ... |
12-6-2020 at 02:20
by: Tsjerk |
Removing HCl from CuCl2 solution
I think the pH test strip will turn red soon, even with small amounts of HCl. I think you can trust ... |
12-6-2020 at 01:47
by: Tsjerk |
Turning Oxides into sulfates
Silicon is an essential element in animals and a very important element for many plants species!
... |
11-6-2020 at 06:37
by: Tsjerk |
Did anyone can find me the pKa of these bases salts
Have a look at the answer given by Bive:
https://chemistry.stackexchange.com/questions/75047/ph-o ... |
10-6-2020 at 11:42
by: Tsjerk |
Did anyone can find me the pKa of these bases salts
Well, methylammonium ion has a pKa of 10.6 and ethylammonium ion 10.8 |
10-6-2020 at 09:24
by: Tsjerk |
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