| Search |
| [Next Page] |
Independent Research Project Ideas
If you can't manage inert atmosphere then how are you expecting to do a hydrogenation?
|
2-10-2013 at 22:35
by: DJF90 |
Phenol from Domestically Available Chemicals
@bfesser: Don't be so lazy. I appreciate german may not be your first (or second) language but I don ... |
2-10-2013 at 09:10
by: DJF90 |
Latest chemical order?
In the bottle, it is fine so long as the cap sealed well. Handling it is a different matter entirely ... |
2-10-2013 at 09:03
by: DJF90 |
Phenol from Domestically Available Chemicals
@Macckone: Where did you get that data from? Its way off according to Sigma:
HCl (gas) LD50 Oral ... |
1-10-2013 at 14:30
by: DJF90 |
Latest chemical order?
@Woelen: Have you tried using your chlorosulfonic acid since you bought it? I had the need to use so ... |
1-10-2013 at 14:16
by: DJF90 |
Phenol from Domestically Available Chemicals
Theres a fairly detailed experimental over at Versuchschemie |
30-9-2013 at 22:10
by: DJF90 |
drying with sodium metal
[rquote=301570&tid=25772&author=FreeMirage]You're better off with some 3A molecular sieves w ... |
30-9-2013 at 12:07
by: DJF90 |
Preparation of gentisaldehyde
Try 50% ethyl acetate in heptanes. I reckon that'd do it. |
29-9-2013 at 12:40
by: DJF90 |
Allyl Amine from Mustard Seeds/Oil
That'll serve me right for not looking at the preparation in question...
I can't beleive they'd t ... |
22-9-2013 at 10:25
by: DJF90 |
How to or where to get alkenes
Easiest source of alkenes is steam distillation of orange peel to get d-limonene (a diterpene). The ... |
22-9-2013 at 00:43
by: DJF90 |
Allyl Amine from Mustard Seeds/Oil
I gotta disagree on the last one Ziqquratu; certainly dispense with the mercury sealed shaft but mec ... |
22-9-2013 at 00:38
by: DJF90 |
Excess anhydrous acetic acid
Its not confusing at all, at least not to those skilled in the art.
My question is, how is he mak ... |
21-9-2013 at 07:29
by: DJF90 |
Problem with my Mettler balance
I've got an old Mettler PE1600 balance. It was working the other day until it would not tare, and no ... |
19-9-2013 at 15:49
by: DJF90 |
Preparation of Styrene and Phenylacetylene from Polystyrene
You don't. If you want the vic-diol, its best to hydroxylate the styrene. OsO4 is the "classic" reag ... |
18-9-2013 at 13:23
by: DJF90 |
Possible opportunity for univ lab equipment Nottingham,UK
I highly doubt you'll get chemicals or equipment. Some institutes don't even sell excess/old equipme ... |
17-9-2013 at 10:17
by: DJF90 |
Coordination Chemistry
Yes, I have one that is very good. I don't have it on my person atm as I lent it to a friend who's s ... |
16-9-2013 at 09:31
by: DJF90 |
How to service a Rotavap?
Yes, mine has a lift also. It just makes manouvering the assembly alot easier, especially with a 3L ... |
16-9-2013 at 09:28
by: DJF90 |
Unexpected problems with p-TsOH synthesis
The guage is located in a suitable position relative to other components in the vacuum system. All g ... |
16-9-2013 at 08:43
by: DJF90 |
Unexpected problems with p-TsOH synthesis
That was the motivation behind distilling it. It would have worked excellently if I had set everythi ... |
15-9-2013 at 22:36
by: DJF90 |
How to service a Rotavap?
For the condenser, consider a 10% citric acid solution to remove the hard water/iron stains. Formic ... |
15-9-2013 at 12:50
by: DJF90 |
Unexpected problems with p-TsOH synthesis
Well, considering the nature of how the McLeod guage works, I'm confident I reported the correct pre ... |
15-9-2013 at 12:44
by: DJF90 |
TEMPO substitute?
I had thought of telescoping it, but given the troubles that klute appeared to have with the subsequ ... |
13-9-2013 at 05:34
by: DJF90 |
TEMPO substitute?
Ah, sorry for spelling your name wrong buddy, but glad to have a reply from you what with the first ... |
12-9-2013 at 04:27
by: DJF90 |
TEMPO substitute?
So, I decided to have a pop at this myself, following US patent 3959295. This is the same patent tha ... |
11-9-2013 at 12:40
by: DJF90 |
Unexpected problems with p-TsOH synthesis
I ran a preparation of toluenesulfonic acid a few months ago. At the end of the reaction (dean stark ... |
11-9-2013 at 10:05
by: DJF90 |
| [Next Page] |
