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Home made spectrometer
"If only one frequency at a time is needed I wonder why a tunable dye laser is not used?"
... |
22-11-2005 at 05:18
by: unionised |
Electrolysis of FeSO4
"Use an iron anode. "
Or don't - that way when the colour from the Fe++ grows faint ... |
20-11-2005 at 09:37
by: unionised |
solubility of naphthalene in acetone
Who read what wrongly?
Anyway, the molecules are quite happy to leave the crystal at room temp- tha ... |
20-11-2005 at 09:26
by: unionised |
Found.. White P
"The most expensive source of phosphorus is probably DNA.
mick"
I doubt that, just for ... |
20-11-2005 at 02:36
by: unionised |
solubility of naphthalene in acetone
The dipole moment for benzene, like any other symetrical molecule, is zero.
Its dielectric constant ... |
19-11-2005 at 12:43
by: unionised |
solubility of naphthalene in acetone
"But if that were true, it would be strongly soluble in strongly polar solvents such as water, ... |
19-11-2005 at 07:55
by: unionised |
Do you know how to analysis CH3PCl2 (~ 20% ) ,solvent is PCl3 (~80%)
NMR would look like a nice method if you happen to have an NMR spectrometer available. IR would work ... |
16-11-2005 at 13:16
by: unionised |
solubility of naphthalene in acetone
Naphthalene stinks.
From this one can conclude that it isn't very strongly bound in the cryst ... |
16-11-2005 at 13:10
by: unionised |
Boiling down formaline 20% to 40%
http://www.itt.uni-stuttgart.de/pdfs/2003_ott_cep_dist.pdf
More than you ever want to know about ... |
15-11-2005 at 13:03
by: unionised |
Thallium (III) trifluoroacetate
You do know that thallium compounds don't count as health food don't you? |
14-11-2005 at 12:58
by: unionised |
ethanolamine
Ethylene oxide and excess ammonia is a bit more traditional but just buying it seems a lot easier. |
13-11-2005 at 12:15
by: unionised |
Copper Phthalocyanine preparation
Phthalate esters are widely used as plasticisers for PVC. You can extract the plasticiser from vinyl ... |
12-11-2005 at 12:36
by: unionised |
prussic acid preparation ?
Hmm?
Oral thiosulphate as a prophylactic for defending against cyanide.
That will work provided th ... |
10-11-2005 at 12:49
by: unionised |
Calculating pH
This might help.
http://www.sparknotes.com/chemistry/acidsbases/buffers/section1.html |
3-11-2005 at 13:34
by: unionised |
electron gun
Is it my imagination or is that a good way of zapping yourself with Xrays? |
30-10-2005 at 07:37
by: unionised |
Iron oxide
Scrap iron is iron that has been used and would now be waste or sent for recycling. Old nails, ruste ... |
23-10-2005 at 05:33
by: unionised |
Anyone Knows Analytical Chemistry?
Under anhydrous conditions water isn't there and can't act as anything.
Just out of idl ... |
22-10-2005 at 12:00
by: unionised |
Synthesis of Gold
"Even if mercury is expensive, you would re-gain what you've spent."
No. You would ... |
18-10-2005 at 12:41
by: unionised |
methylene chloride alert!
"Beilsteins test" IIRC. Doesn't work for fluorides. |
17-10-2005 at 12:25
by: unionised |
Varying concentration of solution of salt without wasting said salt
Stick the cold end of a peltier cooler in it and freeze out the water?
The trouble with drying agen ... |
17-10-2005 at 12:15
by: unionised |
Benzyl benzoate solubility in alcohols
In general, if one liquid is said to dissolve in another without any other data it means they mix in ... |
12-10-2005 at 09:47
by: unionised |
Refractive index of mixtures of liquids
It will be close. If the 2 liquids interact then the answer won't be correct but with the 2 you ... |
12-10-2005 at 09:27
by: unionised |
filtering very fine particles
"How does this removal process by heating the fritted glass work? Just heat and then shake the ... |
12-10-2005 at 09:18
by: unionised |
Anyone Knows Analytical Chemistry?
I am an analytical chemist, or at least that's what I'm paid for so I hope I know some ana ... |
10-10-2005 at 10:54
by: unionised |
Epoxy Resin Reactions
There are lots of epoxy resins and quite a few polystyrene based plastics.
You would be quicker try ... |
10-10-2005 at 10:08
by: unionised |
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