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Chemistry Generalized
brilliant! just the stuff needed! |
28-12-2012 at 13:26
by: andre178 |
Chemistry Generalized
Hi, I've been a beginner and probably always will be, over the years I've done a few syntheses that ... |
28-12-2012 at 12:14
by: andre178 |
temp of 450 deg C in a lab
Hi there, I'm curious how I would be able to find a clever way to heat a round bottom flask to 450 d ... |
21-3-2012 at 12:17
by: andre178 |
over heating of benzoyl chloride
the reason behind making it with thionyl chloride is that I need to make hot C14-benozyl chloride an ... |
16-3-2011 at 09:29
by: andre178 |
over heating of benzoyl chloride
I've been trying various methods of preparing pure benzoyl chloride from thionyl chloride and bz aci ... |
15-3-2011 at 13:12
by: andre178 |
hydrogenation
Being a novice chemist, I heard that hydrogenation is a dangerous process for first timers, as you h ... |
23-2-2011 at 12:07
by: andre178 |
Scaling up reaction times
thank you for the info, it helps a lot |
22-2-2011 at 09:52
by: andre178 |
Scaling up reaction times
thank you, any bit helps! yeah I understand the chemical kinetics etc, I don't know why people eve ... |
18-2-2011 at 13:50
by: andre178 |
Scaling up reaction times
really no one can answer this? |
18-2-2011 at 12:54
by: andre178 |
Scaling up reaction times
Is there a general trend that when scaling up or down reactions, you have to scale the time, but mai ... |
17-2-2011 at 19:26
by: andre178 |
Yellow impurity in nitrobenzene?
thought there was some debate about Nitro-Bz, I made some fresh this morning and just took a shot wi ... |
17-2-2011 at 10:44
by: andre178 |
why heat after reflux
thanks matei |
15-2-2011 at 09:47
by: andre178 |
why heat after reflux
I have a harder time deciphering older publications, and I don't want to mess up the reaction so I h ... |
13-2-2011 at 17:28
by: andre178 |
new rotovap or improvise
I'm curious, after a bit of searching on google, and some major manufacturers, I found that new roto ... |
7-2-2011 at 11:43
by: andre178 |
separating solvents
yes Lambda, EtOAc boils at 77. |
4-2-2011 at 14:10
by: andre178 |
separating solvents
thank you, so to get this straight, the water bath temperature will be pretty high? i might even hav ... |
4-2-2011 at 14:06
by: andre178 |
separating solvents
it was the solution, the still head was 25. It seemed like a straight forward frac dist but it does ... |
4-2-2011 at 13:17
by: andre178 |
separating solvents
hi,
I would like to separate ethyl acetate from toluene, both solvents are pure, the etoac is ro ... |
4-2-2011 at 10:19
by: andre178 |
alkoxy-de-halogenation reaction
Hello all,
I am trying to esterify 1,12-dodecandiol with 2 methyl malonyl chlorides.
Can so ... |
13-1-2011 at 11:35
by: andre178 |
Synthesis of Ethidium Bromide
I've been trying to find a synthesis procedure for ethidium bromide, any help? |
29-12-2010 at 15:13
by: andre178 |
Nitrogen Gas Cylinder Size Issue
LOL!
I've thought about it, I even found a cylinder type similar to a "compressed air duster" fo ... |
1-11-2010 at 11:29
by: andre178 |
Nitrogen Gas Cylinder Size Issue
I am trying to transport Nitrogen gas for sparging reactions inside a typical sized anaerobic chambe ... |
1-11-2010 at 10:08
by: andre178 |
GRAMS/MS
Does anyone have an older version of this software they could possibly post. I have acquired an olde ... |
19-8-2010 at 14:19
by: andre178 |
WIN-IR Software for Biorad FTS 175/375 (FTIR)
Thank you for the config file,
do you mind posting [b]ftscnfg.ini[/b], FTS-7 and maybe -40 h ... |
19-8-2010 at 13:02
by: andre178 |
WIN-IR Software for Biorad FTS 175/375 (FTIR)
I purchased a biorad ftir fts-7 from ebay (it said it was academically used and in good working orde ... |
13-8-2010 at 16:02
by: andre178 |
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