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LET THIS SIGNAL THE END OF THE FRIDGE PUMP QUESTIONS!
Outgassing studies aren't typically performed for epoxies or other compounds if they aren't intended ... |
19-12-2010 at 23:30
by: aonomus |
Foam From Hell- Troubleshooting
Does the original paper specify any agitation? Older papers tended to use overhead mechanical agitat ... |
19-12-2010 at 23:23
by: aonomus |
LET THIS SIGNAL THE END OF THE FRIDGE PUMP QUESTIONS!
A more flexible cement comes to mind like rubber cement. Perhaps the distortion in the acrylic plate ... |
19-12-2010 at 22:14
by: aonomus |
LED Arrays - Can we get the full spectrum?
Such LEDs do exist, but they cost alot of money.
See:
http://thorlabs.com/NewGroupPage9.cfm?Obje ... |
19-12-2010 at 12:21
by: aonomus |
LET THIS SIGNAL THE END OF THE FRIDGE PUMP QUESTIONS!
I would argue the point that these setups are 'useless'. These are good for a roughing pump and/or d ... |
18-12-2010 at 21:21
by: aonomus |
Make Potassium (from versuchschemie.de)
Wow, this thread got stickied real fast! I can't wait to try this out in the new year. If it works, ... |
17-12-2010 at 21:57
by: aonomus |
Make Potassium (from versuchschemie.de)
Perhaps you might have luck heating to 70degC in that dish and forcing the droplets to coalesce whil ... |
17-12-2010 at 19:16
by: aonomus |
LET THIS SIGNAL THE END OF THE FRIDGE PUMP QUESTIONS!
Apologies for the necro, I got a more accurate vacuum gauge. Actual vacuum is 28.5inHg. Pump still g ... |
17-12-2010 at 19:10
by: aonomus |
A Grave Risk of Death
The problem is that in many cases, the ignorance of the legal system gets covered up by 'staying the ... |
12-12-2010 at 10:43
by: aonomus |
Flask Neck Size
All of my glassware is Kimble or Pyrex, and specify the stopper number on the flasks (wrt Erlenmeyer ... |
11-12-2010 at 18:04
by: aonomus |
A Grave Risk of Death
Citizens, report your neighbors for suspicious activity! Promise of rewards!
We reward ignorance ... |
10-12-2010 at 16:00
by: aonomus |
Make Potassium (from versuchschemie.de)
Hehe, good to see people caught onto the fact that blowtorch + H2 = boom. I must say that was probab ... |
9-12-2010 at 14:31
by: aonomus |
Make Potassium (from versuchschemie.de)
One thought that comes to mind, can anyone try fusing Mg shavings with KOH pellets with a blowtorch ... |
8-12-2010 at 21:52
by: aonomus |
Make Potassium (from versuchschemie.de)
Here is a suggestion, if the sludge is indistinguishable between potassium metal and magnesium metal ... |
7-12-2010 at 20:26
by: aonomus |
The Social Norm of Capitalization
To me, the point of the arguement for better posting standards is twofold.
1. Have readers exert ... |
7-12-2010 at 16:34
by: aonomus |
Make Potassium (from versuchschemie.de)
@Jor: just be careful how you dry your acetone, drying agents which have proton abstraction ability ... |
5-12-2010 at 22:38
by: aonomus |
refrance TLC plate
Typically when you run a TLC plate, you want to run some reference standards against it on the same ... |
5-12-2010 at 20:08
by: aonomus |
Make Potassium (from versuchschemie.de)
[rquote=194284&tid=14970&author=Sedit]Preformed Potassium tert-butoxide should be used IMHO ... |
5-12-2010 at 18:37
by: aonomus |
Make Potassium (from versuchschemie.de)
@watson.fawkes One thought I had about the contact-reaction hypothesis of mine was that there was so ... |
5-12-2010 at 16:51
by: aonomus |
LET THIS SIGNAL THE END OF THE FRIDGE PUMP QUESTIONS!
A revisit after a month or 2 of hard usage: multiple vacuum distillations of solvents, vacuum filtra ... |
5-12-2010 at 16:16
by: aonomus |
The Social Norm of Capitalization
Considering that most of the illiterates' eyes glaze over when being preached to (lest they become d ... |
5-12-2010 at 15:38
by: aonomus |
The Social Norm of Capitalization
I commend you for the fact you still have hope for people to use proper spelling and capitalization. ... |
5-12-2010 at 14:07
by: aonomus |
Make Potassium (from versuchschemie.de)
@UnintentionalChaos: Hm, good point, I must have missed it. |
5-12-2010 at 08:35
by: aonomus |
Make Potassium (from versuchschemie.de)
Something that comes to mind is that the magnesium is passivated to a degree. Grignards usually need ... |
5-12-2010 at 08:22
by: aonomus |
Make Potassium (from versuchschemie.de)
One thing that sounds like a possible idea to try is to add in a small amount of a phase transfer ca ... |
2-12-2010 at 17:26
by: aonomus |
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