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REDOX electrode
What could the table look like? It would need to list all 3 variables Cl, Clo3, ClO4 and have the re ... |
10-12-2006 at 14:59
by: unionised |
rocks cure acid indigestion
Magnesium silicate is used as a medicine, at least partly for the neutralisation of acid (and also f ... |
10-12-2006 at 14:55
by: unionised |
Which extraction method to use for plants
It wouldn't be very $ for me to get a lab to analyse it; I work in one. Of course, since I don't hav ... |
10-12-2006 at 14:29
by: unionised |
Concentrate ethanol?
Fresh quicklime is likely to be a better dessicant than a vacuum dessicator. It willalso rapidly pic ... |
10-12-2006 at 14:25
by: unionised |
Acetamide from sodium acetate and ammonium sulfate
It's an interesting question and it wouldn't be very expensive to find out. |
10-12-2006 at 14:20
by: unionised |
Separating waxy crap from methylene chloride
I must be missing something here. XxDaTxX, do you really think it's easier to get hold of DMSO than ... |
10-12-2006 at 13:46
by: unionised |
Separating waxy crap from methylene chloride
I think ozone has mixed up DCM with chloroform.
BTW, XxDaTxX ,
"DMSO is a cheap solvent that you m ... |
10-12-2006 at 09:10
by: unionised |
Producing a dry sample of NaHSO4
"Heat drives away the NH3"
Funny, but I didn't see that bit in the original post. |
10-12-2006 at 06:42
by: unionised |
Which extraction method to use for plants
"DCM dissolves wax as a function of its temperature, at higher temperatures it dissolves more and mo ... |
10-12-2006 at 05:27
by: unionised |
Separating waxy crap from methylene chloride
This is a slightly weird steam distillation. Normally we talk about steam distilling something relat ... |
10-12-2006 at 02:47
by: unionised |
Producing a dry sample of NaHSO4
Are you sure? NaHSO4 is quite a strong acid and reacts with NH3.
Anyway Na2SO4 + H2SO4 ---> 2NaH ... |
9-12-2006 at 08:54
by: unionised |
crystallization and dry reagents
A lot of hydrochloride salts are much less soluble in hydrochloric acid than in water. Look up the " ... |
7-12-2006 at 12:08
by: unionised |
Storing methylene chloride
I'm pretty certain that the DCM will diffuse through the polethylene bottles at a very annoying rate ... |
7-12-2006 at 12:04
by: unionised |
Which extraction method to use for plants
It rather depends what you are extracting and why.
Extraction with DCM is great for things that are ... |
7-12-2006 at 11:56
by: unionised |
Separating waxy crap from methylene chloride
There may be a point to steam distilling things that boil below 100C but I don't see any point to st ... |
7-12-2006 at 11:38
by: unionised |
Chemicals/labware to avoid?
"the authorities" must visit this sort of site from time to time.
Come on guys- save us all some tr ... |
6-12-2006 at 10:56
by: unionised |
Storing methylene chloride
[Edited on 6-12-2006 by unionised] |
6-12-2006 at 10:54
by: unionised |
Storing methylene chloride
Polythene is resistant to dcm in that it isn't destroyed by it. Unfortunately the dcm diffuses throu ... |
6-12-2006 at 10:47
by: unionised |
Just in time for Xmas
That's a much nicer price than I expected.
Dear Santa,
I have been a very good boy all year and... ... |
5-12-2006 at 12:51
by: unionised |
Dewaxing fritted glass
I have cleaned sintered glass filters in a furnace before now.
"I did the samething to a glass bea ... |
5-12-2006 at 12:45
by: unionised |
I need a new drug...
I don't think gil needs any more new drugs OTOH he might just need less Pink Floyd.
[Edited on 4- ... |
4-12-2006 at 05:12
by: unionised |
Fastest Acting Poisons
"What about polonium-210, then, and similar higher-energy alpha-emitting radioactive poisons? "
It ... |
4-12-2006 at 05:04
by: unionised |
Just in time for Xmas
OK, Now I want 2 things for Xmas; one of those and a very rich Uncle to buy me one (or at least that ... |
4-12-2006 at 04:52
by: unionised |
Capillary tube for vacuum distillations
If all else fails you can use CO2 for most things or scrub O2 from air.
It's interesting that I h ... |
4-12-2006 at 00:58
by: unionised |
Some nuclear chemistry!
Do you know how toxic Be is? |
3-12-2006 at 06:50
by: unionised |
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