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Identify This?
Yeah, I can't really imagine what that could be used for. Since the top larger joint is a male it's ... |
16-6-2017 at 08:28
by: alking |
How to make 30% hydrogen peroxide?
The easiest, fastest, and probably most practical way for the average member here would be to concen ... |
16-6-2017 at 07:29
by: alking |
Vigreux Column w/ side arm vs without - does it effect performance?
Besides the potential for joint leakage and the slight increase in column length w/the adapter I don ... |
14-6-2017 at 08:00
by: alking |
Alternative to DCM?
Ethyl acetate is likely more comparable to DCM than Ethanol, but it will fall somewhere between thos ... |
14-6-2017 at 07:58
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
Gotcha, thanks. So it was likely either due to the temperature increase or from the salt formation c ... |
13-6-2017 at 14:14
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
When you say a gas phase reaction do you simply mean gases on the surface of the solution, or the di ... |
13-6-2017 at 12:00
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
[quote]You still seem to be confused as far as terminology. The imine is not reduced to form a carbo ... |
13-6-2017 at 09:43
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
Any idea what causes the fog? I assume it's the same mechanism regardless if it's ammonia or an amin ... |
13-6-2017 at 09:20
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
Actually I am somewhat wrong after looking into it more. It does form the imine, but it's not part o ... |
12-6-2017 at 18:56
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
I don't have all night to figure out these quote tags, I don't know where the hell I have messed thi ... |
12-6-2017 at 18:04
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
Simply combining ammonia and a ketone/aldehyde is all it takes to form the imine? That is worth cons ... |
12-6-2017 at 16:30
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
I'm thinking that the solution is likely an azeotrope or otherwise a composition of the primary and ... |
12-6-2017 at 10:47
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
That's pretty much the exact workup I followed except for phase separation, although my bp does not ... |
12-6-2017 at 08:27
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
Reynold's aluminum foil was used as the aluminum source. It's supposed to be 99.985% aluminum or som ... |
11-6-2017 at 20:37
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
So I fractionated it and it came over in a single fraction, ~22ml, boiling between 74.6 and 75.0. It ... |
11-6-2017 at 19:14
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
To give an update I combined my two fractions and neutralized it with some HCl. I used an unknown co ... |
11-6-2017 at 15:42
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
Most likely. In my experiment the fog occurred after the solution reached 50-60C or so, before that ... |
11-6-2017 at 15:18
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
Bingo! There very likely was ammonia present. |
11-6-2017 at 13:43
by: alking |
Are HCl fumes not that strong or are these fumes not HCl?
I gassed some HCl into some isopropanol awhile back and I keep it stored around 0C, at this point it ... |
11-6-2017 at 11:53
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
Perhaps so. It could be that when I smelled it the thin layer of xylene was poured off to the extent ... |
10-6-2017 at 16:01
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
I did basify with NaOH for that reason, yes, although I only used 30g which is probably less than id ... |
10-6-2017 at 13:27
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
I'm in the process of working it up right now. I extracted it with ~200ml of Xylene, filtered off an ... |
10-6-2017 at 12:05
by: alking |
Cross contamination with used activated carbon - how much can be expected?
Unless it's contaminated with metals or something you could easily purify it in a calcining oven pro ... |
9-6-2017 at 19:35
by: alking |
molecular sieve and acids (esterification)
Are you sure you have to keep it below the bp of water? Sieves are pretty good at holding on to wate ... |
9-6-2017 at 19:31
by: alking |
Hg/Al Reductive Amination w/Ammonia - Not Viable?
Yeah, that seems like it may be the best route all things considered, but since I don't have any for ... |
9-6-2017 at 19:17
by: alking |
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