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Quick determination of ammonia or ammonium? For the preparation of Nessler's reagent: |
16-9-2008 at 13:13 by: matei |
Quick determination of ammonia or ammonium? A very sensitive reagent for ammonia is Nessler's reagent -potassium tetraiodomercurate(II). It's or ... |
16-9-2008 at 12:58 by: matei |
What does APP mean? "APP" means application.
For a list of the abreviations they use see: http://ras.material.tohoku.ac ... |
9-9-2008 at 09:49 by: matei |
Very old Ethyl Ether From "Inorganic Syntheses", Vol. XII:
[b]Purification of Tetrahydrofuran[/b]
It has been repor ... |
7-9-2008 at 12:25 by: matei |
Regarding the use of home glassware as lab glassware [quote][i]Originally posted by 12AX7[/i]
Hmmm, tempered soda-lime, that means it will literally exp ... |
16-8-2008 at 12:34 by: matei |
Basic organic compunds from Petrol At 80 degrees you will collect a mixture of benzene and aliphatic hydrocarbons. Aromatic hydrocarbon ... |
12-8-2008 at 13:02 by: matei |
American/British glassware compatible? jeffB is right. We have a rotavap that has a 24/40 joint and we are using it with 24/29 glassware. |
28-7-2008 at 06:44 by: matei |
Old aniline HCl? You should try to distill some of the liquid. My guess is it's aniline. Aromatic amines aren't very ... |
19-7-2008 at 09:07 by: matei |
Selective Coumarin modification or destruction chemoleo,
On Gigapedia you can find a book called "Fluorescent and Luminescent Probes for Biologic ... |
19-7-2008 at 07:55 by: matei |
Incompatibilities in organometallics? A very useful book would also be "Organometallics in Synthesis - A Manual" edited by Manfred Schloss ... |
28-2-2008 at 13:49 by: matei |
Tetrakis(dimethylamino)ethylene Tetrakisdimethylamino-ethylene, a Strong Electron Donor
Angewandte Chemie International Edition in ... |
2-2-2008 at 14:35 by: matei |
Sand instead of silica in chromatography? It won't work because sand grains are not porous. Adsorbents used in chromatography have a very high ... |
30-6-2007 at 11:17 by: matei |
etching databases Check gigapedia. There is a book called "ASM Handbook, Volume 9: Metallography And Microstructures". ... |
11-5-2007 at 07:33 by: matei |
name that piece of glass! #3,4 and 5 are pictures of a spinning band column with a dividing head attached (this is used for co ... |
9-5-2007 at 06:48 by: matei |
Nucleic acid synthesis Sorry, the image seems to be quite big (900 kb or so). |
4-5-2007 at 10:01 by: matei |
Nucleic acid synthesis These are the classic syntheses of DNA bases: |
4-5-2007 at 09:42 by: matei |
AS Organics - Microscale chem You can find lots of experiments developed especially for microscale in Journal of Chemical Educatio ... |
25-4-2007 at 10:00 by: matei |
Azo Coupling 1-nitronaphthalene won't react with diazotized aniline. Diazonium salts are very weak electrophiles ... |
25-4-2007 at 07:34 by: matei |
Solid phase synthesis The trick is to add the dryed beads to the NMR tube (aprox. 1 cm or so) and than add the solvent in ... |
14-4-2007 at 05:26 by: matei |
Solid phase synthesis @frogfot,
The parameters for recording 13C gel-phase spectra are in these articles:
1) J. Org. C ... |
8-4-2007 at 04:24 by: matei |
Solid phase synthesis Gel-phase NMR is simply recording the spectra of resin beads swollen in deuterated solvent. The bad ... |
7-4-2007 at 16:52 by: matei |
Solid phase synthesis I've done some solid phase synth recently. The simplest way for reaction monitoring is to use IR spe ... |
2-4-2007 at 09:20 by: matei |
Uses for acrylamide Acrilamide is not just toxic, it's carcinogenic. It can be polymerized and copolimerized with N,N'-m ... |
1-4-2007 at 03:09 by: matei |
Iron pentacarbonyl synthesis... Check Brauer - "Inorganic Synthesis". |
21-3-2007 at 10:06 by: matei |
Retention factors of some compounds SecretSquirrel,
Usually these retention factors are not reproducible so they are rarely reported ... |
21-3-2007 at 10:05 by: matei |
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