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Soviet glass electrodes
If it still has a solution inside, you don't have to change it. Just keep the electrode immersed in ... |
1-8-2010 at 01:13
by: matei |
which is the better reflux condenser? allihn vs friedrich
BromicAcid and azo, here is an excerpt from "Organikum - Organisch-chemisches Grundpraktikum", 21 Au ... |
31-7-2010 at 14:57
by: matei |
which is the better reflux condenser? allihn vs friedrich
[rquote=183845&tid=14240&author=EmmisonJ]i'm also curious, why do so many people slam graham ... |
31-7-2010 at 14:40
by: matei |
Soviet glass electrodes
I've took a closer look at your pictures and my bet is what you have are simple glass electrodes (th ... |
31-7-2010 at 13:06
by: matei |
which is the better reflux condenser? allihn vs friedrich
[rquote=183916&tid=14240&author=azo]? graham condensers can't be used for reflux ... |
31-7-2010 at 10:03
by: matei |
Soviet glass electrodes
If the glass electrodes haven't been used for a long time they must be immersed in a conditioning so ... |
31-7-2010 at 09:44
by: matei |
A Charge-Transfer Complex?
http://en.wikipedia.org/wiki/Molecular_electronics
http://en.wikipedia.org/wiki/Single_molecule_e ... |
26-7-2010 at 14:40
by: matei |
precipitation question
This simply means you have to dissolve your compound in dichloromethane and than add pentane (or pet ... |
28-4-2010 at 11:26
by: matei |
How adsorbe a substance in a powder (fine) ?
Usually this is done by dissolving the compound you want to adsorb into a suitable solvent, adding t ... |
20-4-2010 at 08:45
by: matei |
Pear shaped flasks
Larger (500 or 1000 mL) pear-shaped flask are useful for evaporating solutions to dryness using a ... |
20-4-2010 at 08:42
by: matei |
If possible, need a quick and dirty test for lead
To check for lead, You can also try to dissolve in nitric acid, neutralize most of the acidity with ... |
14-4-2010 at 12:13
by: matei |
Polyaniline
Well, you can use other reducing agents such as sodium dithionite and sodium borohidride (see Makrom ... |
5-1-2010 at 11:08
by: matei |
Polyaniline
Jor, I think a way of obtaining N-alkylanilines which might work is the alkylation of acetanilide wi ... |
5-1-2010 at 08:07
by: matei |
Improving thermal conductivity from a hot plate
Place the flask in an oil bath! It will take longer to reach the desired temperature but it will hea ... |
3-1-2010 at 10:18
by: matei |
Polyaniline
[file]9353[/file] |
3-1-2010 at 09:45
by: matei |
Polyaniline
Here are some references:
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3-1-2010 at 09:38
by: matei |
Polyaniline
Hello Jor,
As I've been doing some research on conducting polymers myself, I can give some advice ... |
3-1-2010 at 08:54
by: matei |
Isolongifolenone: A Novel Sesquiterpene Repellent of Ticks and Mosquitoes
Org. Prep. Proc. Int., 2008, 40, 405
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3-8-2009 at 06:07
by: matei |
Anyone have Practical Experience with Polymer Synthesis?
There is a safer method for chloromethylation of crosslinked polystyrene resins:
J. Am. Chem. Soc., ... |
12-5-2009 at 13:36
by: matei |
discoveries in early chemistry
You can find a description of the beginnings of modern physical chemistry in a book called "Cathedra ... |
9-3-2009 at 10:05
by: matei |
Topspin
You can find Topspin copies on several file sharing networks. However, they only work if you obtain ... |
20-1-2009 at 05:25
by: matei |
Boatload of labglass but what is it?
The spherical ones may be solvent reservoirs used for flash chromatography (they are attached at the ... |
12-11-2008 at 09:53
by: matei |
Aldrich Catalog
Lancaster is now a part of Alfa Aesar. |
17-10-2008 at 11:13
by: matei |
Gas chromatographs
It looks like the sample just goes through the column, and there is no separation of the components. ... |
8-10-2008 at 07:22
by: matei |
Gas chromatographs
Packed columns have lower resolution than capillary columns, so the peaks should look somewhat broad ... |
5-10-2008 at 12:50
by: matei |
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