Search |
[Next Page] |
Testing the efficacy of a fractionating column? [rquote=317060&tid=28741&author=The Ideal Gas Lawyer]
In that case I'll probably try an eas ... |
29-1-2014 at 12:33 by: Magpie |
Testing the efficacy of a fractionating column? I agree. The bore on that stopcock plug is likely no more than 3mm. It will severely restrict your ... |
28-1-2014 at 20:24 by: Magpie |
Testing the efficacy of a fractionating column? In your original post you show a picture of a piece of glassware. What is it and how do you intend ... |
28-1-2014 at 16:48 by: Magpie |
Pretty Pictures (2) [rquote=316190&tid=26378&author=Bot0nist]It shows the (sometimes) shitty side of chemistry.[ ... |
21-1-2014 at 13:25 by: Magpie |
Max vacuum of glassware 0.098MPa = 737mmHg where 760mmHg = 1 atm and 0mmHg = full vacuum.
So I would say that that glassw ... |
21-1-2014 at 11:46 by: Magpie |
Vacuum Distillation Confusion I've run several vacuum distillations during various syntheses. I remember some pressure fluctuatio ... |
15-1-2014 at 16:25 by: Magpie |
Methylamine problem If you could clarify the process conditions it would help us to assist you.
Surely you don't have ... |
8-1-2014 at 14:10 by: Magpie |
Preparation of cyanides [rquote=314093&tid=23&author=charmander]Magpie, I read the section on cyanogens but I could ... |
4-1-2014 at 19:55 by: Magpie |
Preparation of cyanides Take a read of the following, available through Google Books:
Allen’s Commercial Organic Analys ... |
26-12-2013 at 21:25 by: Magpie |
A writing idea We already have a great deal of information, albeit dispersed, in the forum about how to get reagent ... |
17-12-2013 at 12:03 by: Magpie |
Starting out from scratch buliding a garage lab I have often toyed with the idea of teeing in a large CO2 fire extinguisher to the ducting of my fum ... |
17-12-2013 at 11:44 by: Magpie |
Starting out from scratch buliding a garage lab [rquote=311537&tid=27954&author=Dr.Bob]A few fire extinguishers are great to have, almost an ... |
17-12-2013 at 11:39 by: Magpie |
So I goofed... Fuses are sized by the designer/manufacturer to protect the device. I guess you learned that the ha ... |
17-12-2013 at 11:23 by: Magpie |
Alternative inert gasses Here's some more info:
http://www.sciencemadness.org/talk/viewthread.php?tid=10366#pid134453
R ... |
17-12-2013 at 10:25 by: Magpie |
Electrolytic Hydrogenation/Reduction questions If I was running an aluminum plant I would absolutely minimize the use of any resistor in the cell c ... |
15-12-2013 at 20:28 by: Magpie |
Specific Enthalpy of Fusion to Molar Heat of Fusion? [rquote=311348&tid=27945&author=tylerlopez]
For all other calculations an equation was gi ... |
15-12-2013 at 11:24 by: Magpie |
300+ PSI Autoclave WGTR: That should be plenty safe, ie, it will have a good factor of safety of 2000/400 = 5. Gettin ... |
14-12-2013 at 18:16 by: Magpie |
Magnetic Stirrer and Ice Baths It's a PC-320. I just tested it with a 1" stir bar in an empty beaker and it lost coupling at about ... |
12-12-2013 at 22:11 by: Magpie |
So I goofed... Here's the reason you only get 1/4th the power:
E=IR (ohm's law); I=E/R
P=EI=E^2/R
R(resist ... |
12-12-2013 at 21:56 by: Magpie |
Magnetic Stirrer and Ice Baths The stir bar in the RBF is probably ~1" from the hotplate surface. I don't know what the outer limi ... |
12-12-2013 at 21:42 by: Magpie |
Magnetic Stirrer and Ice Baths I do that kind of thing all the time with my Corning magnetic hotplate-stirrer. I heat an oil bath ... |
12-12-2013 at 21:13 by: Magpie |
So I goofed... That would be my guess also, ie, it might work fine but just run a little faster, like at 60/50 th o ... |
12-12-2013 at 14:22 by: Magpie |
So I goofed... What is the nameplate frequency? |
12-12-2013 at 13:22 by: Magpie |
Electrolytic Hydrogenation/Reduction questions [rquote=310784&tid=27852&author=Electra]
Industrial settings are going to work with a lot m ... |
11-12-2013 at 19:34 by: Magpie |
Allyl alcohol in 70% yield Yes, thanks for this detailed report. I made allyl alcohol a few years back using oxalic acid and g ... |
11-12-2013 at 11:44 by: Magpie |
[Next Page] |