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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 |
13-7-2007 at 05:42 by: leu |
3-phenylbutan-2-one info needed It's CAS number is 769-59-5 |
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 |
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 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 |
24-3-2007 at 12:25 by: leu |
keten lamp This patent mentions the use of toluene |
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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