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Parr bomb calorimeter
Yes, there is a check-valve in that port (which needs maintenance every now and then).
The wire ... |
30-11-2011 at 21:22
by: Ozone |
Very Basic Carbonyl question
Look into the acidity of protons near an electron withdrawing group. A bit less motivation to keep t ... |
30-11-2011 at 21:12
by: Ozone |
Molisch Test
OK...(and the Osazone thread) should be merged into:
http://www.sciencemadness.org/talk/viewthread. ... |
30-11-2011 at 06:29
by: Ozone |
Parr bomb calorimeter
OK, the two posts which go inside are the electrodes, a fuse wire is connected between them where th ... |
29-11-2011 at 19:23
by: Ozone |
Cheapest OTC way to decarboxylate phenylalanine to phenylethylamine
"phenylethylamine gas" REALLY?
What do you want that for, anyway?
Look up Strecker degradation ... |
28-11-2011 at 17:21
by: Ozone |
Thermodynamics problem...
Styrofoam?* Look up coffee-cup calorimeter and constant pressure calorimetry. The volume is not fixe ... |
25-11-2011 at 07:24
by: Ozone |
Thermodynamics problem...
Styrofoam?* Look up coffee-cup calorimeter and constant pressure calorimetry. The volume is not fixe ... |
25-11-2011 at 07:24
by: Ozone |
Questions about sugars
Your query is *very* broad, and would require hours of courses and years to understand in any detail ... |
23-11-2011 at 17:31
by: Ozone |
Recommendations for drying muds/precipitates?
For actual mud dewatering, e.g. clarifier mud from a sugar mill, we use lime to pH 7-7.5, boil, trea ... |
21-11-2011 at 16:21
by: Ozone |
Aluminum bromide from HBr
see: http://www.youtube.com/watch?v=UTbXKcD8ngM&feature=related
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17-11-2011 at 17:25
by: Ozone |
TLC tailing problem with monosaccharides
The mechanism involves dehdyration to furfural (pentoses) or 5-hydroxymethylfurfural (HMF, hexoses), ... |
17-11-2011 at 16:20
by: Ozone |
TLC tailing problem with monosaccharides
We use either 20:30:50 % nitromethane:water:n-propanol on K5 silica or 39:9:22:30 acetonitrile:ethy ... |
16-11-2011 at 17:10
by: Ozone |
Science project - Oxidation states
I did a very nice series by titrating KMnO4(aq) with Na2S2O5 drop-by-drop with a buret. IIRC, I was ... |
5-11-2011 at 06:08
by: Ozone |
iron disulfide and bleach?
I dug around on the net and found the attached paper. Because I am at work, I don't have time to wri ... |
4-11-2011 at 09:53
by: Ozone |
iron disulfide and bleach?
Bleach contains a large amount of NaOH. You probably got colloidal Fe(OH)3, as a red-brown hydrate. ... |
3-11-2011 at 20:11
by: Ozone |
Transesterification of fractionated coconut oil?
That makes sense. We achieved good results with a 5:1 EtOH:soybean oil (which gave clear phase separ ... |
29-10-2011 at 07:14
by: Ozone |
PIPERONYL BUTOXIDE
NEVER EVER put pyrethroids on a cat--especially permethrin! They are toxic to cats.
That said, lo ... |
28-10-2011 at 12:26
by: Ozone |
Happy Mole Day!
Amazingly, Wikipedia covers this quite nicely. Enjoy 
http://en.wikipedia.org/wiki/Avogadro%27s ... |
23-10-2011 at 12:13
by: Ozone |
Nuclear blast
IIRC, Teller mentioned atmospheric "ignition" (e.g fusion) might happen, Oppenheimer and Bethe ruled ... |
22-10-2011 at 08:54
by: Ozone |
How do you determine positions
ANY ORGANIC CHEMISTRY TEXT. See directing groups. Try google.
See also, inductive effects and re ... |
18-10-2011 at 18:19
by: Ozone |
''Random'' question about Nuclear physic
No. Only heat of decay would cause a current to flow through a thermocouple (what you have if you ru ... |
18-10-2011 at 16:54
by: Ozone |
How to effectively degas water
We usually do one of two things:
1. Sparge with He then serve under He pressure. For HPLC use, N2 ... |
18-10-2011 at 14:49
by: Ozone |
Tevatron Shutdown
Perhaps there is truth in this (when the majority do not pay taxes and can vote to maintain that co ... |
1-10-2011 at 19:42
by: Ozone |
solubilizing phthalates
Phthalimides... If everything goes well.
Here are a couple of citatations (I was from the Daly g ... |
1-10-2011 at 08:03
by: Ozone |
Tevatron Shutdown
Sad indeed!
There was talk (among the Accelerator-Group) of troubles at Fermilab in April (I was ... |
1-10-2011 at 07:19
by: Ozone |
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