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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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