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Synthesis of diethyl diethylmalonate
BTW if anyone cares, the Organikum's non-specific directions give 85% yield they say of ethyl ethylm ... |
6-12-2021 at 21:14
by: S.C. Wack |
Quantitative NHN synthesis without Hydrazine hydrate
[rquote=668195&tid=158150&author=Microtek]If you are going to freebase the hydrazine anyway, ... |
6-12-2021 at 15:35
by: S.C. Wack |
Synthesis of diethyl diethylmalonate
[rquote=668221&tid=155532&author=theAngryLittleBunny]
No, there is no transesterification, ... |
6-12-2021 at 15:31
by: S.C. Wack |
Separation of toluene and isobutanol
It's entirely possible that the alcohol is just as soluble in other mineral acids. Either way, and a ... |
4-12-2021 at 08:50
by: S.C. Wack |
Separation of toluene and isobutanol
[rquote=667907&tid=152919&author=Mixe]But I'm a bit confused about the sulphuric acid. I've ... |
1-12-2021 at 14:46
by: S.C. Wack |
Sn + HNO3 => Sn(NO3)2 - tin(II) nitrate
With cooling and an excess of acid diluted with at least 3/4 volume of water, tin is said to give a ... |
26-11-2021 at 18:10
by: S.C. Wack |
Using the Glass-col thermocouple
Anything that one connects a thermocouple to should display the room temperature, if the thermocoupl ... |
17-11-2021 at 15:08
by: S.C. Wack |
Using the Glass-col thermocouple
What would be of value (the valuable value) and not in words is the display of the current temperatu ... |
16-11-2021 at 15:55
by: S.C. Wack |
Using the Glass-col thermocouple
...this is what happens when you ask if you can hook up type J output to type J input. |
15-11-2021 at 16:25
by: S.C. Wack |
Production of butyric acid acid and butanol by fermentation
[rquote=667281&tid=157645&author=Tsjerk]There is a reason this fermentation smells as bad as ... |
14-11-2021 at 09:51
by: S.C. Wack |
latest glassware purchase
There's a school there for one thing. It wasn't all that expensive either when I looked a long time ... |
13-11-2021 at 17:07
by: S.C. Wack |
Fractionally distilled benzyl chloride turns blue overnight
Aldrich says their sieves have a pH of 10.5.
The color of these here is something, probably inorg ... |
8-11-2021 at 14:57
by: S.C. Wack |
Fractionally distilled benzyl chloride turns blue overnight
Assuming that these sieves don't add color to other organics, it would be interesting to see if the ... |
6-11-2021 at 20:36
by: S.C. Wack |
Fractionally distilled benzyl chloride turns blue overnight
Benzyl chlorides and esp. bromides are not perfectly thermally stable. (nor inert, much like molecul ... |
5-11-2021 at 20:41
by: S.C. Wack |
Fractionally distilled benzyl chloride turns blue overnight
Who recommends treatment of this with sieves?
BTW this should not be distilled without vacuum, ev ... |
5-11-2021 at 15:59
by: S.C. Wack |
Synthesis of diethyl diethylmalonate
Wouldn't butanol give some butyl ester by transesterification? Probably no big deal for diethylbarbi ... |
5-11-2021 at 14:17
by: S.C. Wack |
The Short Questions Thread (4)
[rquote=666932&tid=25055&author=j_sum1]But, again, a blue complex has me stumped.[/rquote]
... |
5-11-2021 at 13:53
by: S.C. Wack |
The Short Questions Thread (4)
The involvement of Ba or not is of course easily decided by removing it. Same for ammonia. After tha ... |
4-11-2021 at 14:07
by: S.C. Wack |
The Short Questions Thread (4)
Perhaps it's something complexed to the ammonia. I'd do things with the filtrate and see what happen ... |
3-11-2021 at 14:58
by: S.C. Wack |
Preparation of cyanides
The solubility of K ferrocyanide is an example of common ion effect, e.g. a precipitate starts to fo ... |
30-10-2021 at 09:22
by: S.C. Wack |
Synthesis of diethyl diethylmalonate
BTW Professor Buzz also gives a recipe for this in Recreational Drugs, right above barbital. |
26-10-2021 at 13:36
by: S.C. Wack |
Vacuum glass implosion?
[rquote=655177&tid=155522&author=Fyndium]It seems that glass is phenomenally resistant again ... |
23-10-2021 at 08:19
by: S.C. Wack |
Putting BaSO4 to use?
Dead car batteries have liitle sulfate in them, as electrode failure is typically mechanical not che ... |
22-10-2021 at 16:59
by: S.C. Wack |
Concentrating hydrobromic acid higher than the azeotrope?
[rquote=666307&tid=158010&author=teodor]"Etching" of glass with H3PO4, according to studies ... |
17-10-2021 at 06:37
by: S.C. Wack |
CBD as a chemotherapy agent (split from CBD solubility in organic solvents)
[rquote=666305&tid=158004&author=karlos³]Do they not use glycols or such to solvate them?[/ ... |
17-10-2021 at 06:20
by: S.C. Wack |
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