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"Distillation" of ethanol via reverse osmosis... sweeeeeet.
[quote]I have been wondering about this for a while now. Would it be possible to make a filter like ...
16-7-2007 at 16:25
by: leu
chloral nitrate?
Gaatbaug disclosed an addition compound of chloral and nitric acid in Norwegian Patent 54,575 in 193 ...
15-7-2007 at 04:20
by: leu
Possible Palladium(II)Chloride OTC Source?
[quote]PdCl2 is not made by chlorination of palladium.[/quote]

It seems that reliable sources dif ...
13-7-2007 at 15:44
by: leu
a-pinene
Dipentene is racemic limonene :cool:
13-7-2007 at 05:42
by: leu
3-phenylbutan-2-one info needed
It's CAS number is 769-59-5 :cool:
4-7-2007 at 19:27
by: leu
O-toluic acid synthesis is looking quite odd
The applicable section from Hudlicky:

[color=green]Nitric acid, HNO3, is available as concentrate ...
29-6-2007 at 21:29
by: leu
Dry HBr gas
An old abstract states:

Japan Kokai 73 103,496

Hydrogen Bromide is removed from water by addin ...
23-6-2007 at 18:13
by: leu
Lab safety
[quote]whenever possible, don't store chemicals in glass containers, and always use have lung protec ...
13-6-2007 at 22:11
by: leu
Esters and their Synth
Better directions can be found in the attached file, if this compound is prepared in a room with ope ...
29-5-2007 at 20:08
by: leu
Beakers cracking
Borosilicate glass will crack at ambient temperatures for many reasons, one of which is that using a ...
17-5-2007 at 03:35
by: leu
Call for discussion of several methods of producing pyruvic acid by dry distillation
[quote]Good luck trying to do that with an oil bath. [/quote]

Using a lab jack to support the oil ...
15-5-2007 at 15:35
by: leu
Potential uses of Citric Acid
There's nothing wrong with Nicodem's archive; if at first you don't succeed, try try again :P
2-5-2007 at 19:30
by: leu
Benzene synthesis
There's little doubt that the route through the distillation of benzoate salts with a base is the mo ...
27-4-2007 at 04:05
by: leu
oil mist filter for vac pump
An inexpensive method that works is to attach a vertical copper tube about a meter long to the exhau ...
25-4-2007 at 18:51
by: leu
Hydrolysis of ASA
You should find this experimental handout from the University of Oregon somewhat helpful, you could ...
14-4-2007 at 18:02
by: leu
Cost-Harm Analysis of Drug Use
Opinions are easily obtained, but scientific data and analysis are somewhat more difficult :P The at ...
12-4-2007 at 18:54
by: leu
Had a small fire in the lab this evening... was making ether of all things.
From [i]Ind Eng Chem[/i] 675 (1926):

[color=red]To prevent sparks from the motor igniting volati ...
28-3-2007 at 04:15
by: leu
triethylamine azeotrope?
According British Patent 590713 one can separate the water-triethylamine azeotrope that boils at 75 ...
27-3-2007 at 13:58
by: leu
keten lamp
There are a variety of methods that have been patented for the production of acetic anhydride that h ...
24-3-2007 at 17:38
by: leu
keten lamp
Toluene is also within the specified class of aromatic hydrocarbons mentioned in this patent :P
24-3-2007 at 12:25
by: leu
keten lamp
This patent mentions the use of toluene :P
24-3-2007 at 12:22
by: leu
keten lamp
The separation of acetic anhydride from acetic acid is rather simple if one has the proper equipmen ...
23-3-2007 at 14:30
by: leu
keten lamp
A balloon flask is an alternative name for a round bottom flask, see this URL which has been mention ...
21-3-2007 at 05:50
by: leu
Waste disposal
The way that chemical wastes are encapsulated before being encased in concrete is usually by molten ...
19-3-2007 at 18:31
by: leu
Acetaldehyde synthesis
Butyraldehyde is synthesized from butanol using manganese dioxide using a column in [i]Proceedings o ...
19-3-2007 at 13:37
by: leu
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