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Moisture removal in n-Butanol
"Whenever I distill them separately, first the azeotrope will come......"
Precisely my point. After ...
18-6-2006 at 07:21
by: unionised
Moisture removal in n-Butanol
I'd try adding common salt to the aqueous layer and seeing if any of the n-BA is salted out.

Wha ...
18-6-2006 at 00:41
by: unionised
Extraction of caffeine from tea or coffee!
Dextrose is another name for glucose. It's freely soluble in water. Dextrin is a gum.

[Edited on 17 ...
17-6-2006 at 09:42
by: unionised
oxidation of orangic compounds with sulfur?
Last time I checked Al wasn't organic so that's off-topic.
17-6-2006 at 09:22
by: unionised
H2O2 + HClO4?
"It could have just been heat of solution. Sulfuric acid + water releases heat, so couldn't perchlor ...
17-6-2006 at 09:20
by: unionised
H2O2 + HClO4?
"nothing happens other than a very slight rise in temperature"
So something happened then otherwise ...
17-6-2006 at 06:21
by: unionised
oxidation of orangic compounds with sulfur?
IIRC this is one of the traditional old methods used in structure determination. You mix the stuff w ...
17-6-2006 at 05:56
by: unionised
tetraethyl silicate production?
"Err.. turd, what are you referrring to?
TEOS?"
Tetra Ethyl Ortho Silicate; the stuff in the thre ...
14-6-2006 at 21:55
by: unionised
Chemicals for Scintillation detectors ( Radiation detectors)
I realise that you are after gammas not neutrons but some of the ideas in this
http://www.doylegrou ...
14-6-2006 at 11:53
by: unionised
Pt on inert substrate catalyst.
You might want to try Pt on silica gel. Less nasty than asbestos and commercially available so I gue ...
14-6-2006 at 11:44
by: unionised
Improvised Airconditioning
So far as I can judge you could still use a swamp cooler sort of thing (the efficiency would suck; h ...
14-6-2006 at 11:41
by: unionised
fuckin plastic piece of shit hoses
I hope you are OK and have calmed down enough to see the funny side of
"I HATE FUCKIN TECHINICIANS" ...
14-6-2006 at 11:30
by: unionised
Charging time needed for 10-stage Cockcroft-Walton voltage multiplier
I have seen, somewhere on the 'net, an expression for the output impedance of a multiplier like this ...
14-6-2006 at 11:23
by: unionised
1908 siberia explosion
Typically the amount of heat needed to vaporise something is very small compared to the heat release ...
14-6-2006 at 11:00
by: unionised
tetraethyl silicate production?
"please consider that TEOS is a totally unsuspicious industry chemical."
Add water; filter; drink.
14-6-2006 at 10:45
by: unionised
stable N4 synth with NxOx ?
Well, you can get half way there.
http://bromine.cchem.berkeley.edu/grppub/pes26.pdf
14-6-2006 at 10:38
by: unionised
fuckin plastic piece of shit hoses
Fire the guy who didn't train the tech.
13-6-2006 at 12:43
by: unionised
1908 siberia explosion
If it were antimatter there would still be leftover radioactivity. There isn't so it wasn't.

If y ...
13-6-2006 at 12:39
by: unionised
What does "N" stand for -dilute?
It's a real pig when you come to look at redox reactions.
A 1 M solution of KMnO4 can be N, 3N or 5 ...
13-6-2006 at 12:34
by: unionised
Charging time needed for 10-stage Cockcroft-Walton voltage multiplier
Lamps, which have large switch-on surges, are not good surge preventers.

I wonder if you have tho ...
12-6-2006 at 10:33
by: unionised
tetraethyl silicate production?
My guess is that he means what he says.
IIRC SiCl4+ 4ETOH --> Si(OET)4 + 4HCl.
I'm not so sure ...
12-6-2006 at 10:17
by: unionised
Mercury adsorption in container vessels
Chemoleo,
"Correct me if I am wrong, maybe you have some incredible analysis methods/techniques"
T ...
12-6-2006 at 10:12
by: unionised
Sodium Metabisulphite
The reaction is fast and adding NaOH will make it faster.
What do you want Na2SO3 for?
11-6-2006 at 12:13
by: unionised
EDTA-exhuated by Ca-salts
It should be possible to add acid to a concentrated solution of the Ca EDTA complex and precipitate ...
10-6-2006 at 09:59
by: unionised
35% H2O2 technical grade
"I suppose I could decompose a known amount and see if it actually does evolve 40-fold its volume in ...
8-6-2006 at 10:18
by: unionised
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