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Preparation of NaH from sodium metal.
[rquote=663198&tid=157640&author=Panache] (and this from the lit guru, one is inclined to be ...
24-7-2021 at 21:57
by: S.C. Wack
Storage of 35% H2O2
3% peroxide may be found in dark plastic flip-top bottles. These are convenient containers for the s ...
23-7-2021 at 16:21
by: S.C. Wack
Preparation of NaH from sodium metal.
It would be one of those reactions listed under formation (Bildung) rather than preparation (Darstel ...
23-7-2021 at 16:07
by: S.C. Wack
Vogel. 5th edition
This is less than breaking news. There is an OCR version, a much smaller non-OCR, and .djvu too. Tak ...
21-7-2021 at 14:28
by: S.C. Wack
Different molecular sieves question
One would think so but 3A is cheaper at Aldrich. 4A is the original so it's going to be mentioned, b ...
21-7-2021 at 14:16
by: S.C. Wack
Preparation of Bromine
Some obvious variations might be worth mentioning here,where no fume hood is needed. Maybe you'd lik ...
18-7-2021 at 18:52
by: S.C. Wack
Oxalyl Chloride Challenge
[rquote=662750&tid=82462&author=Praxichys]Any particular reason for that assessment?[/rquote ...
12-7-2021 at 14:57
by: S.C. Wack
Oxalyl Chloride Challenge
My guess is that it would not be unwise to use an inexpensive, disposable reactor when heating anhyd ...
7-7-2021 at 19:02
by: S.C. Wack
New chemical restrictions in Canada?
[rquote=662524&tid=157676&author=Fyndium]Acetone was to be restricted when bought in bigger ...
6-7-2021 at 15:12
by: S.C. Wack
Making alcohol solutions of hydrazine.
Where has hydrazine sulfate been used in this way in the past 130 years?

If something is insolubl ...
2-7-2021 at 17:35
by: S.C. Wack
Extraction of gallic acid
...a fluid ounce doesn't weigh an ounce in the US, like a gallon of water here doesn't weigh 10 poun ...
2-7-2021 at 16:58
by: S.C. Wack
Making alcohol solutions of hydrazine.
Weird how no one else seems to have heard the news.
2-7-2021 at 14:37
by: S.C. Wack
Extraction of gallic acid
FWIW I've been reading some old books on tanning...they say galls without a bug still in them are wo ...
2-7-2021 at 14:15
by: S.C. Wack
Making alcohol solutions of hydrazine.
It seems more likely to be less convenient than that. IIRC the original preparation of anhydrous hyd ...
2-7-2021 at 13:35
by: S.C. Wack
Preparation of NaH from sodium metal.
It's a sign that beta-hydride elimination is a deep organometallic rabbit hole.
29-6-2021 at 14:16
by: S.C. Wack
recovery of iodine from residues
[rquote=662250&tid=157638&author=draculic acid69]Perhaps the alcohol is causing the problem. ...
28-6-2021 at 19:22
by: S.C. Wack
foaming Borax!
Carbonic acid. Perhaps dry CO2 would have no effect. What about borax from the mine, one might ask. ...
28-6-2021 at 14:25
by: S.C. Wack
Is there anything interesting I can do with Urea?
Vogel's is from OS, who in CV2 pg 60 mention other methods, all from urea.

[rquote=662252&tid ...
28-6-2021 at 14:07
by: S.C. Wack
Preparation of NaH from sodium metal.
[rquote=662260&tid=157640&author=draculic acid69]I think that Li reacts with the H2 around 6 ...
28-6-2021 at 13:46
by: S.C. Wack
foaming Borax!
It runs away from fire. If one heats it at the bottom of a crucible, the bottom will soon have no bo ...
27-6-2021 at 12:48
by: S.C. Wack
Preparation of NaH from sodium metal.
Read the literature, room temp in this case US3617218 and the JACS article from the same authors...
...
26-6-2021 at 12:48
by: S.C. Wack
What are most dangerous toxic chemicals you are comfortable handling in your home lab?
[rquote=652342&tid=156632&author=roXefeller]It looks like he probably unpacked some chemical ...
26-6-2021 at 12:11
by: S.C. Wack
Chloroform woes
Having done this reaction (and many others) every which way, I suggest sticking to the script writte ...
22-6-2021 at 15:39
by: S.C. Wack
Chemical Resistant Vacuum Tubing?
Glass. Perhaps the inside of other tube can be coated with something.

The best plan would be trap ...
21-6-2021 at 14:40
by: S.C. Wack
Chloroform woes
[rquote=661936&tid=157619&author=Keras]I was thinking about adding solid table salt, or a sa ...
21-6-2021 at 14:29
by: S.C. Wack
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