Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Retention factors of some compounds
I assume you mean chromatographic retention factors. Before trying to find those in the literature y ...
20-3-2007 at 11:07
by: matei
Determination of mol sieves pore size?
Furch,

The adsorption of molecules onto molecular sieves is exothermic and also depends on the "c ...
18-3-2007 at 12:09
by: matei
keten lamp
You can find all the information you want in Vogel's Textbook of Practical Organic Chemistry 5th Ed.
17-3-2007 at 12:17
by: matei
using LAH
We perform LAH reductions without nitrogen atmosphere and it usually works.

[Edited on 5-2-2007 by ...
5-2-2007 at 08:44
by: matei
Copper coating from chemical processes, like hydrogen reduction?
I've posted a book called "Electroless Plating - Fundamentals and Applications" in the New Books (In ...
17-1-2007 at 14:04
by: matei
Distillation set questions
Filter flasks are specially manufactured with thicker walls so they withstand vacuum.
17-1-2007 at 07:36
by: matei
Cuprates
The synthesis and purification of sodium tetrahydroxocuprate (II) is described in Brauer, Handbook o ...
14-1-2007 at 12:24
by: matei
Salt liquid from 90°C to 1150°C help
I've just posted a book called "Ionic Liquids in Synthesis" on the New Books (Organic Chemistry) thr ...
13-1-2007 at 03:43
by: matei
Ferrofluid
And another thing I've just remembered. After coating the magnetite with surfactants, they used to g ...
11-1-2007 at 10:41
by: matei
Ferrofluid
encipher,
I happened to work some time ago in a laboratory where a colleague was making ferrofluid ...
11-1-2007 at 10:34
by: matei
Question about cold traps
[quote][i]Originally posted by Maya[/i]
You might as well use a water aspirator which can go as low ...
9-1-2007 at 15:09
by: matei
Question about cold traps
Hilski, I think that kind of pump doesn't require a solvent trap, because from what I can tell from ...
9-1-2007 at 03:29
by: matei
Fluorescein
[quote][i]Originally posted by encipher[/i]
Also, would you happen to know of any other flourescent ...
7-1-2007 at 06:21
by: matei
Distillation set questions
drspastic,

cx3/04 is the manufacturer's code for that particular condenser (which if it is "Quick ...
13-12-2006 at 10:17
by: matei
Capillary tube for vacuum distillations
The best inert gas is argon because it is heavier than air and has a "blanketing effect". Argon is e ...
4-12-2006 at 08:57
by: matei
Capillary tube for vacuum distillations
[quote][i]Originally posted by Hilski[/i]
I'm talking about distilling multiple liters, as opposed ...
4-12-2006 at 08:45
by: matei
Capillary tube for vacuum distillations
You don't need inert gas for distilling benzaldehyde. You can heat the flask with a hand held bunsen ...
4-12-2006 at 07:36
by: matei
Capillary tube for vacuum distillations
Yes, it works. I've done vacuum distillations using capillaries tens of times probably.
2-12-2006 at 03:25
by: matei
BH3/THF
Maya, diborane is used in organic chemistry for hydroborations.

Boron trifluoride diethyl etherat ...
17-11-2006 at 13:52
by: matei
BH3/THF
From boron trifluoride etherate and sodium borohydride. See Vogel's Textbook of Practical Organic Ch ...
17-11-2006 at 08:02
by: matei
LiAlH4 vs NaBH4
I don't mean strictly research, but academic etc. In any case not in your garage.

[Edited on 13-11- ...
13-11-2006 at 10:51
by: matei
LiAlH4 vs NaBH4
You may use LiAlH4 to dry the ether (though it is quite dangerous; the ether must be absolutely free ...
13-11-2006 at 09:02
by: matei
LiAlH4 vs NaBH4
NaBH4 is not as powerful a reducing agent as LiAlH4 and is also more selective (e.g. normally it doe ...
11-11-2006 at 10:25
by: matei
coupling two aromatic ring!
Very useful reactions for the synthesis of biaryls are the palladium catalyzed cross-coupling reacti ...
30-10-2006 at 12:03
by: matei
mutarotation in carbohydrates
Glucose has 2 enantiomers (optical isomers): D-Glucose and L-Glucose (the D-L notation is a conventi ...
29-10-2006 at 04:37
by: matei
[Next Page]

  Go To Top