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Distillation column packing
Pall rings made from polypropylene have been used as an industrial distillation column packing when ...
16-3-2007 at 21:49
by: leu
Gitting rid of Cl2
In difficult circumstances such as Anbar, ideas can be helpful; but what's really needed are [i]fact ...
12-3-2007 at 22:03
by: leu
Gitting rid of Cl2
These chlorination processes are all very old technology, and the best descriptions are usually to b ...
11-3-2007 at 18:07
by: leu
Carbon Tetrachloride CCl4
[i]Chemical Abstracts[/i] didn't begin publication until 1907, replacing [i]Review of American Chemi ...
1-3-2007 at 14:31
by: leu
Carbon Tetrachloride CCl4
It's possible to synthesize carbon tetrachloride from acetone and sodium hypochlorite, Robineau and ...
1-3-2007 at 13:24
by: leu
pyridine prep help
An old preparation of piperidine is by heating pentamethylenediamine hydrochloride (cadaverine); whi ...
28-2-2007 at 02:54
by: leu
pyridine prep help
This has been discussed in detail on a site long gone from the internet. Psyloxy did most of the leg ...
27-2-2007 at 19:14
by: leu
analytical machinery
If you want a device that's not sold on LabX then perhaps you should look elsewhere since there are ...
24-2-2007 at 16:46
by: leu
Ebay's crusade against chemical sellers
From Thorpe's Dictionary of Applied Chemistry:

[color=blue] Magnesium peroxide is an interesting ...
20-2-2007 at 22:16
by: leu
Diethyl ether peroxide
It would be best if you listened to these words of wisdom about peroxides since these compounds have ...
20-2-2007 at 21:49
by: leu
analytical machinery
[quote]I seem to recall seeing plans for a (low frequency) DIY NMR machine that didn't use supercond ...
19-2-2007 at 17:59
by: leu
propionyl chloride
If the yield is sufficient, this approach would probably be the most facile for most :D Mssr Colson ...
18-2-2007 at 14:50
by: leu
purifying acetic acid
Sulfuric acid cannot be used to dehydrate acetic acid, it's used industrially to prepare glacial ace ...
12-2-2007 at 20:22
by: leu
Methanesulfinic Acid and Halogenated Derivatives
These compounds have been made by the reduction of sulphonyl chlorides with zinc or sodium sulphite, ...
3-2-2007 at 03:35
by: leu
H-NMR of benzoyl pyridine
Another URL for spectral data and more chemistry related links:

http://www.chem.uni-potsdam.de/~t ...
22-1-2007 at 18:29
by: leu
Novel route to Methylone?
Aluminum chloride is incompatible with methylenedioxy bridges, since the result will be polymerizati ...
13-1-2007 at 05:59
by: leu
Chlorination of methyl formate
Diphosgene can be made from triphosgene instead of from methyl formate or methyl chloroformate.

...
3-1-2007 at 20:44
by: leu
Chlorination of methyl formate
Two more publications on chlorination of methyl formate:

[i]J prakt Chem 38, 209-15 (1887)[/i]

...
28-12-2006 at 17:03
by: leu
Chlorination of methyl formate
The articles abstracted above:

Compt. rend. 169, 1074-7 (1919)

Kogyo Kagaku Zasshi 51; 157-8 ...
27-12-2006 at 19:28
by: leu
Cleaning Inside of Flask
Some information about cleaning glassware from the Chemical Formulary:


[color=green]Cleaning La ...
24-12-2006 at 00:35
by: leu
The first Rotary Evaporator
This may be helpful, the attached Deja Vu file describes the very first rotary evaporator ever const ...
1-12-2006 at 19:55
by: leu
Hydrophiles and Dessicants
It's not nearly as simple as which agent is stronger as this depends on what compound(s) are being d ...
22-11-2006 at 19:54
by: leu
VP racing fuel
You can use it as fuel for gasoline engines that don't have catalytic converters :P
17-11-2006 at 23:39
by: leu
Concentration of formic acid
You can use sulfuric acid if the formic acid is continuously removed by entrainment in the vapour of ...
10-11-2006 at 20:33
by: leu
Darzen Condensation Difficulties - any tips?
When these reactions are carried out using bases such as sodium methoxide they must be conducted und ...
1-11-2006 at 04:29
by: leu
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