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Capillary tube for vacuum distillations
"Sorry, but the He gas sold for balloons and such is not pure He. The manufacturers put a large amou ... |
3-12-2006 at 06:21
by: unionised |
Ligand field theory
C(phenyl)2 exists, it's called diphenyl carbene but it isn't stable |
3-12-2006 at 06:10
by: unionised |
Capillary tube for vacuum distillations
Just for a start, connecting a fire extinguisher to a 6000PSI tank would almost certainly burst it.
... |
2-12-2006 at 08:39
by: unionised |
Capillary tube for vacuum distillations
Yes, It works. I used a nitrogen stream rather than air because
1 I had nitrogen on tap and
2 My ... |
2-12-2006 at 05:33
by: unionised |
NaHSO3
More likely bisulphate than bisulphite. |
2-12-2006 at 05:24
by: unionised |
cancellation of gravity waves
"Gravity is a field much as electromagnetism is a field; it just happens to be >2000 times faster ... |
29-11-2006 at 11:26
by: unionised |
Indole
IIRC Tyranian purple (of Roman emperor's toga fame) is an indole derivative. It's also one of the fe ... |
29-11-2006 at 11:02
by: unionised |
NaHSO3
"i am trying to make sodium bisulphite by passing sulphur gas stream through sodium sulphate, and el ... |
28-11-2006 at 11:39
by: unionised |
Thallium poisoning
http://www.amstat.com/solutions/staticmaster.html
Didn't take much finding. |
26-11-2006 at 22:51
by: unionised |
SO2 + NaOH
If you add enough NaOH to get the pH up to 12 all the SO2 will be converted to sulphite. In fact, mo ... |
26-11-2006 at 12:38
by: unionised |
Thallium poisoning
"True, the KGB have just been relabeled. But the rest of the world has changed.
You have internali ... |
26-11-2006 at 07:07
by: unionised |
Thallium poisoning
True, the KGB have just been relabeled. But the rest of the world has changed.
For example, imagine ... |
26-11-2006 at 01:52
by: unionised |
Thallium poisoning
If we are really talking about a handful of static eliminators then I don't think we need to think a ... |
26-11-2006 at 01:28
by: unionised |
Thallium poisoning
"In a country like Russia, ONLY a technological government agency like the KGB would have access to ... |
25-11-2006 at 06:51
by: unionised |
Thallium poisoning
There was a case of some bloke (Graham Young) who poisoned a number of his family with Tl. He was yo ... |
23-11-2006 at 13:21
by: unionised |
Solubility of components
"It is rather easy to find solubility in water @ 20C for almost any compound and for temperature lik ... |
23-11-2006 at 12:30
by: unionised |
Hydrophiles and Dessicants
Well, there used to be a table of dessicants in the CRC handbook but I understand that it has been r ... |
23-11-2006 at 12:22
by: unionised |
Oil bath
Yes, It comes off reasonably well with caustic. |
22-11-2006 at 22:47
by: unionised |
making sodium carbonate
That experiment is almost worth doing just to see what the fluidised bed looks like. An old tin with ... |
21-11-2006 at 12:04
by: unionised |
niobium pentachloride -- interesting reagent?
Moisture in the air in the bottle?
2NbCl5 +5 H2O--> 10HCl + Nb2O5
2 volumes of HCl for each vol ... |
21-11-2006 at 11:55
by: unionised |
Oil bath
What would the neighbours think if they saw you buy a few pints of medicinal parafin?
Vegie oil is ... |
21-11-2006 at 11:38
by: unionised |
Oil bath
Metal has to be a safer bet than glass, and it conducts heat better. |
20-11-2006 at 11:29
by: unionised |
He world shortage and the imminent energy crisis...were fu**ed
Since breeder reactors exist and use U238 I think we can add a couple of orders of magnitude to the ... |
19-11-2006 at 11:14
by: unionised |
Floating Apple Trick
Why bother?
I'm quite happy to believe you when you say almost all the hits are in Chinese.
If I c ... |
19-11-2006 at 09:28
by: unionised |
Floating Apple Trick
By that "logic" most Chinese websites are fake. That looks a bit xenophobic to me. |
19-11-2006 at 06:05
by: unionised |
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