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Methods for preventing over addition of Grignard reagent
Oxidation can be, but purity of the bulk metal cannot.

[Edited on 31-1-2020 by DavidJR]
31-1-2020 at 07:55
by: DavidJR
Acetic anhydride preparation
Ozone + acetylene sounds like a really terrible idea.
31-1-2020 at 07:30
by: DavidJR
Methods for preventing over addition of Grignard reagent
I will add though that good quality (high purity and not oxidised already) magnesium makes a big dif ...
31-1-2020 at 07:21
by: DavidJR
Methods for preventing over addition of Grignard reagent
[rquote=630267&tid=154785&author=AvBaeyer]If you cannot access an inert atmosphere how can y ...
30-1-2020 at 10:01
by: DavidJR
Red Phosphorus Source
[rquote=630182&tid=154598&author=woelen]See here: https://www.thenorthernecho.co.uk/news/102 ...
29-1-2020 at 13:49
by: DavidJR
Methods for preventing over addition of Grignard reagent
Friedel-Crafts acylation seems like the obvious choice for that product.
29-1-2020 at 02:07
by: DavidJR
Methods for preventing over addition of Grignard reagent
This method does not really work, because the reaction of the ketone with the Grignard reagent is mu ...
28-1-2020 at 17:31
by: DavidJR
Graham condenser - explosion hazarded?
Graham condensers are absolutely useless for reflux (and not very good for distillation in most case ...
28-1-2020 at 13:46
by: DavidJR
making CCl4 help
Well, the sun certainly emits UVC but it doesn't reach us because it's absorbed by the atmosphere. I ...
27-1-2020 at 02:48
by: DavidJR
making CCl4 help
[rquote=629950&tid=154769&author=milovess]I really doubt you acomplished anything other than ...
26-1-2020 at 16:03
by: DavidJR
A true implosive
[rquote=629946&tid=154763&author=Simoski]The ignition of hydrogen in air definitely produces ...
24-1-2020 at 15:59
by: DavidJR
making CCl4 help
It's not quite as simple as just bubbling chlorine into chloroform. You need to generate radicals fo ...
24-1-2020 at 15:40
by: DavidJR
Discourse split from Urushibara nickel thread

@stoichiometric_steve I think it's a little harsh to compare me to the nazis. I also object to bei ...
24-1-2020 at 05:59
by: DavidJR
Discourse split from Urushibara nickel thread
@stoichiometric_steve I see you forgot to go through with suing me.
24-1-2020 at 04:55
by: DavidJR
Discourse split from Urushibara nickel thread
I'm not sure why you think it's my job to clean up your indescretions.
23-1-2020 at 12:48
by: DavidJR
Discourse split from Urushibara nickel thread
I don't like it. It brings the amateur chemistry community into disrepute.
23-1-2020 at 12:29
by: DavidJR
Discourse split from Urushibara nickel thread
[rquote=629824&tid=154750&author=karlosĀ³]It is(a gift for amateur chemist, I mean)!
Just ...
23-1-2020 at 12:10
by: DavidJR
DCM
This is too vague to answer. It will probably be suitable for some uses but not for others. So no, i ...
22-1-2020 at 13:51
by: DavidJR
Refreshing old Sodium Dithionite
I agree - I don't think it's worth attempting to purify it.
21-1-2020 at 11:29
by: DavidJR
Exact conditionf for preparation of Urushibara nickel
Maybe it's meant to be a paste rather than a suspension. I'm not sure.

Chemplayer did it by toss ...
21-1-2020 at 11:27
by: DavidJR
Purifying Potassium Permanganate
[rquote=629687&tid=69442&author=Sulaiman][rquote=629684&tid=69442&author=SuperOxide] ...
18-1-2020 at 08:26
by: DavidJR
nitrile synthesis from aldehydes, amines, and alcohols
Chemplayer made a video entitled "NITROGEN TRIIODIDE (ALDEHYDE TO NITRILE?)": https://www.bitchute.c ...
18-1-2020 at 07:25
by: DavidJR
Latest chemical order?
[rquote=629486&tid=9890&author=woelen]@DavidJR: That list of chemicals must have cost you a ...
15-1-2020 at 00:49
by: DavidJR
What is the name of this type of container?
Uhh... I'd call that a butt plug.
13-1-2020 at 11:49
by: DavidJR
Ispropyl Nitrite synth now requires heating?
No, you need to keep it ice cold because HNO2 is very unstable at room temperature
13-1-2020 at 11:33
by: DavidJR
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