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Red phosphorus for phosphorus pentoxide ?
P (red or white) is at the top of a reagent pyramid, in my opinion.
With it you can make PCl3, PCl5 ... |
1-9-2015 at 15:51
by: Magpie |
Red phosphorus for phosphorus pentoxide ?
I would keep the red P and use it to make PCl5 (see my recent post in Prepublication), or other such ... |
1-9-2015 at 15:02
by: Magpie |
Overrun with sal mirabilis!
I use small amounts of Na2SO4 to dry organic liquids.
Making NaHSO4 sounds like a good idea. Use ... |
29-8-2015 at 10:32
by: Magpie |
Heat excgange problem
I have Cason & Rapaport's book, which I like, especially for distillation ideas. Maybe that's w ... |
28-8-2015 at 12:20
by: Magpie |
Heat excgange problem
Cottonseed oil used to be standard for hot oil baths. Other vegetable oils might suffice also. |
27-8-2015 at 15:25
by: Magpie |
Synthesis of malonic acid by the oxidation of malic acid
See http://www.sciencemadness.org/talk/viewthread.php?tid=1600 |
27-8-2015 at 15:20
by: Magpie |
Heat excgange problem
The rule of thumb that I have seen is a delta T of 20°C between the liquid and the oil in an oil ba ... |
26-8-2015 at 13:33
by: Magpie |
hydrochlorination of perc
[rquote=417141&tid=63314&author=Nicodem]
No, the reaction between CHCl[sub]3[/sub] and Cl[s ... |
25-8-2015 at 12:11
by: Magpie |
hydrochlorination of perc
unsym.-heptachloropropane can be made from perc and chloroform using AlCl3 as catalyst. This is show ... |
24-8-2015 at 15:56
by: Magpie |
Moonshiners' 'Thumpers': Myth or Reality?
[rquote=416948&tid=61566&author=blogfast25] [i]Would insulating a thumper help or hinder?[/i ... |
24-8-2015 at 10:33
by: Magpie |
hydrochlorination of perc
Thank you for that Oscillator. But I'm afraid that the catalysts "PhSiH3, Co-(BF4)2·6H2O, as well ... |
23-8-2015 at 19:37
by: Magpie |
hydrochlorination of perc
This reference by Kropp et al indicates that the hydrochlorination of alkenes can be greatly facilit ... |
23-8-2015 at 13:32
by: Magpie |
Distillation Apparatus question
Selection of chemically compatible materials of construction is crucial. The Cole-Parmer Chemical C ... |
23-8-2015 at 07:29
by: Magpie |
Preparation of PCl5
Versuchschemie.de seems to be down right now. Since I had saved Stefan's report in a word file, I c ... |
19-8-2015 at 19:08
by: Magpie |
Preparation of PCl5
Thanks. No, the phosphorus was dry. But I didn't weigh it all that carefully.
PCl5 is indeed a ... |
19-8-2015 at 17:09
by: Magpie |
Preparation of PCl5
[b]1. Introduction[/b]
This procedure follows the method of garage chemist (ref 1) with the except ... |
19-8-2015 at 13:01
by: Magpie |
Phosphorus Pentachloride
I used 5g of my PCl5 to convert benzophenone oxime to benzanilide using a Beckmann rearrangement. Y ... |
19-8-2015 at 09:44
by: Magpie |
Making Relatively Pure Alumina
Fisher A450 alumina is 80/200 mesh and sells for $140/500g:
https://www.fishersci.com/shop/produc ... |
17-8-2015 at 19:46
by: Magpie |
Irrational fear of diethyl ether?
Yes, I see. Sounds like a fairly sophisticated closure system. It might be difficult to buy a bott ... |
17-8-2015 at 19:22
by: Magpie |
hydrochlorination of perc
Here's the article by Kropp et al:
[file]42767[/file]
It looks promising.
[Edited on 17-8-20 ... |
17-8-2015 at 14:38
by: Magpie |
Physics Exam (Question)
Here's my sketch in "paint." I hate drawing with a computer - it's so slow and tedious. I might ad ... |
17-8-2015 at 12:00
by: Magpie |
Irrational fear of diethyl ether?
I keep my 1L bottles of solvent, including my lawn mower gasoline, in an outside shed away from the ... |
17-8-2015 at 05:12
by: Magpie |
Irrational fear of diethyl ether?
[rquote=416190&tid=63324&author=AvBaeyer]I buy ether in aluminum bottles with a two piece pr ... |
17-8-2015 at 02:55
by: Magpie |
Physics Exam (Question)
[rquote=416179&tid=63308&author=blogfast25]There really is only one solution to this kind of ... |
17-8-2015 at 02:41
by: Magpie |
Physics Exam (Question)
I edited my post to include a photo of my calculations. If you can't read it I can provide a better ... |
16-8-2015 at 16:31
by: Magpie |
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