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BENZYL CHLORIDE PROBLEM
"By starting out with the alcohol, you have a nice -OH group to work with and all you have to do is ... |
18-1-2006 at 11:46
by: unionised |
atomic mass of isotopes?
IIRC iodine is mono-isotopic and has mass 126.9045. Quite a bit lower than 127
Even fluorine (again ... |
14-1-2006 at 09:41
by: unionised |
Are you F*&$%#@ kidding me?!?
"Seriously, what the hell is wrong with the patent examiners at the USPTO?"
Nothing. It was never t ... |
10-1-2006 at 12:46
by: unionised |
nitric acid from vinegar and ammonium nitrate
I have a feeling the HNO3 will oxidise HCl if you try to distill the mixture.
H3PO4 may work. Doe ... |
18-12-2005 at 06:32
by: unionised |
Making Ferric Citrate newbie
"CO2 wont be evolved. Thats impossible"
Actually, it's perfectly possible, but unfortunate. H2O2 ... |
18-12-2005 at 03:39
by: unionised |
nitric acid from vinegar and ammonium nitrate
And the organic trash in the vinegar is likely to reduce the ammonium nitrate- possibly violently. |
17-12-2005 at 11:11
by: unionised |
Removing Mg 2+ from HCl
"Neutralize with magnesium sulfate "
Pardon?
I thought that most school labs had the equipment f ... |
17-12-2005 at 11:08
by: unionised |
Making own Nitric Acid
Ammonia isn't going to get meaningfully regulated any time while people still produce urea. |
17-12-2005 at 10:54
by: unionised |
Lead Carbonate "Basic" Copper Carbonate
You probably have basic copper sulphate in the mixture too. |
17-12-2005 at 10:50
by: unionised |
Heterocyclic aromaticity
It is for an amine. |
13-12-2005 at 10:47
by: unionised |
Long live the vacuum pump
I doubt that many 6 gal, or even 1 gal, glass bottles are vacuum rated. I wouldn't want to be near o ... |
11-12-2005 at 06:51
by: unionised |
Lead Perchlorate
It's oviously going to be an oxidiser, but is it esplosive on its own? |
11-12-2005 at 06:26
by: unionised |
Nitrate Structure
Just to clarify things, the bond angles are all equal too; 120 degrees, rather than right angles as ... |
10-12-2005 at 14:01
by: unionised |
Practice Questions?
ppm for gases usually refers to ppm by volume. In this case about 5.12 ppm
3.2 mg =3.2/30.03 mili ... |
10-12-2005 at 13:56
by: unionised |
Elemental sulfur from sulfates
Thanks for sharing that.
Air will also oxidise H2S in solution to sulphur and is easier to get t ... |
2-12-2005 at 15:27
by: unionised |
Elemental sulfur from sulfates
"Pffbt... just find/make FeSO4.7H2O. Dehydrate to FeSO4, then pyrolyze: FeSO4 > FeO + SO3. ( ... |
1-12-2005 at 10:35
by: unionised |
Strenght of oxidizers
I read the comments about non aqueous solutions and aqueous ones in the same post as evidence that p ... |
30-11-2005 at 12:50
by: unionised |
Home made spectrometer
Oops! Yep, my mistake.
NdFeB magnets disolve in acid (you only need a little one). Nd+++solutions h ... |
29-11-2005 at 12:00
by: unionised |
NH3-water azeotrope?
"LeChatelier tells me that gaseous ammonia should be released when you boil ammonia water. &quo ... |
29-11-2005 at 11:44
by: unionised |
Strenght of oxidizers
I read this far
"I have made my own classification of oxidizer in speed of reaction. Speed of ... |
29-11-2005 at 11:27
by: unionised |
Removing silver from glassware
If it doesn't work I recommend scrubbing the inside of the flask using a slurry of lead-shot an ... |
28-11-2005 at 12:51
by: unionised |
Strenght of oxidizers
Phone NASA and tell them to cancel the next shuttle- perchlorates aren't fast oxidisers any mor ... |
28-11-2005 at 12:47
by: unionised |
Home made spectrometer
The Beer Lambert law fails with non- monochromatic radiation, but it isn't to do with the logs ... |
28-11-2005 at 12:37
by: unionised |
Strenght of oxidizers
" this molecule is a stronger reducer then metallic Li."
So, it's about as far off-t ... |
28-11-2005 at 11:51
by: unionised |
Removing silver from glassware
Sodium thiosulphate (photographic fixer) might do a useful job of removing any silver salts present. ... |
28-11-2005 at 00:23
by: unionised |
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