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Yellow residue in ammonia solution
Thanks for the suggestion hissingnoise. I have tried diazotising and coupling it to thymol. No colou ... |
24-1-2016 at 02:45
by: nezza |
Yellow residue in ammonia solution
I recently bought a couple of hundred ml of "pure" ammonia from a chemical supplier. It is stated to ... |
23-1-2016 at 12:05
by: nezza |
barium hydroxide [Ba(OH)2]
I have had trouble with making barium hydroxide by decomposing carbonate/nitrate. The best method I ... |
21-12-2015 at 00:51
by: nezza |
polarimeter
One thing worth bearing in mind is that it works much better with monochromatic light. Sodium vapour ... |
20-12-2015 at 00:50
by: nezza |
Whats the most dangerous chemical you've ever synthesized?
One synthesis I am not going to repeat is Hydrogen selenide. I took a very cautious sniff of some on ... |
17-12-2015 at 05:37
by: nezza |
Another Lanthanide sulphate
Praseodymium sulphate (crystal is about 8mm long).
[file]46011[/file]
Should be in pretty pic ... |
4-12-2015 at 11:51
by: nezza |
ceric IV sulfate
Hi. I had some a long time ago. It is pretty much insoluble in water, but should dissolve in dilute ... |
20-11-2015 at 01:10
by: nezza |
Samarium is sending me insane!
One way to get some sort of burn from Samarium is to put a piece on a grinding wheel. Like many lant ... |
12-11-2015 at 11:51
by: nezza |
Crystalization by lowering temp of saturated solution - Question
For compounds with normal solubility curves that are not too soluble or hygroscopic cooling a hot sa ... |
8-11-2015 at 01:11
by: nezza |
Precipitating Cr(III) from reduced solution of Cr(VI)
Cr(III) is a real bummer. There are numerous aquo complexes with sulphate , chloride etc incorporate ... |
6-11-2015 at 11:38
by: nezza |
Nitric acid
Thanks for the warnings re glass and phosphoric acid. I have not noticed any problems with corrosion ... |
5-11-2015 at 00:47
by: nezza |
Nitric acid
As it is impossible to buy nitric acid of any sensible concentration within the EU currently I thoug ... |
3-11-2015 at 02:34
by: nezza |
Hot toluene: a great solvent for sulfur
Yes. I've used toluene to purify sulphur by recrystallisation. I Wasn't particularly aiming for larg ... |
29-8-2015 at 23:58
by: nezza |
Ninhydrin
Ebay ?. |
29-8-2015 at 13:04
by: nezza |
Hydrochloric Acid: Mixture or Compound?
Absolutely. Pure hydrogen chloride is a covalent, undissociated gas. To be called hydrochloric acid ... |
27-8-2015 at 11:09
by: nezza |
Any cool reactions with the use of Arsenic?
You could try synthesising this :- 
[file]42957[/file] |
22-8-2015 at 23:50
by: nezza |
European looking for some HNO3
Ok . I was being a bit facetious. We've got till Sept 2016 to carry on practising chemistry. |
22-8-2015 at 23:48
by: nezza |
Probably a very stupid idea to get lithium from a battery
The ease of doing this depends on the battery. Some old design lithium batteries had a solid plug of ... |
22-8-2015 at 23:46
by: nezza |
European looking for some HNO3
If you're in the UK don't bother. The Stasi don't allow possession of nitric or sulphuric acid of an ... |
21-8-2015 at 23:11
by: nezza |
about copper(ii) azide
Here are a couple of pictures of my observations. Very dilute solutions of Copper(II) and Azide mixe ... |
20-8-2015 at 01:07
by: nezza |
about copper(ii) azide
Right. A few observations. As I get older I'm getting more paranoid about safety and copper II azide ... |
18-8-2015 at 02:11
by: nezza |
about copper(ii) azide
Sorry about the delay in replying TDep. It was commercial sodium azide of good purity. I will have a ... |
18-8-2015 at 00:01
by: nezza |
Need help with BaSO4..
I can confirm that boiling Barium sulphate with Sodium carbonate does give some Barium carbonate as ... |
8-8-2015 at 23:55
by: nezza |
about copper(ii) azide
I have tried this with dilute solutions. I get some brownish precipitate and an intense yellow green ... |
8-8-2015 at 23:47
by: nezza |
Is Ferrous Sulfate effective enough?
If you are male - nothing. Any semi normal diet contains enough iron to match any daily losses. If y ... |
17-7-2015 at 13:08
by: nezza |
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