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Pretty Pictures (1)
Here's a couple of pictures of some selenium dioxide I prepared recently. The sublimed oxide gives s ... |
29-4-2013 at 01:27
by: nezza |
Silly teacher.
We have to put up with bull***t like this all the time at work.
You could add -
Do not eat th ... |
23-4-2013 at 13:22
by: nezza |
Deadly Simple Liquid
The obvious answer to that is a hot mirror. This looks pale blue-green to the naked eye, but is opaq ... |
13-4-2013 at 05:01
by: nezza |
Deadly Simple Liquid
An interesting post. I'm a keen infra red photographer so I've had a go at bromine & a couple of ... |
13-4-2013 at 03:17
by: nezza |
Iron Nitrate from Iron filings and HNO3
It probably is due to passivation. The HNO3 oxidises the Iron to a resistant oxide which prevents fu ... |
10-4-2013 at 11:40
by: nezza |
Separating KCl and NaCl
The classic method of separating KCl from a mixture with NaCl is based on the fact that the solubili ... |
25-3-2013 at 14:39
by: nezza |
Methanol -> methanal
I would be interested in knowing more about the oxidation of methanol. I have prepared acetaldehyde ... |
9-1-2013 at 11:53
by: nezza |
The synthesis of 1 and 2-naphthols from Napththalene
 Thanks for the post benzylchloride. I have not been able to get hold of
naphthol so I had a go at ... |
3-1-2013 at 03:51
by: nezza |
Purification of phosphorus -- treatment of WP burns
Thanks for the info Endymion. I have prepared white phosphorus from red as per woelen's method some ... |
23-12-2012 at 04:57
by: nezza |
Ammonium iron(II) sulphate?
Pure ammonium iron(II) sulphate is a very pale green and in solution it is almost colourless. You ca ... |
3-11-2012 at 01:04
by: nezza |
Lead nitrate
As an anhydrous nitrate lead nitrate is useful for the generation of N2O4, by heat decomposition. |
14-7-2012 at 13:20
by: nezza |
Shiny sodium
I have recently acquired some sodium. The metal was originally coated with oxide so I have cut that ... |
5-7-2012 at 13:19
by: nezza |
Higgs Boson Seen?
I can'r remember where I read this but I found it pretty funny :-
The Hunting Of The Quark
... |
4-7-2012 at 01:56
by: nezza |
Cellulose nitrosation - blue color!
There are several things wrong with what you are trying to do.
To nitrate organics you need Nitra ... |
8-6-2012 at 13:14
by: nezza |
Copper solution mystery
Does the solution contain any ions which complex with copper such as citrate. In the presence of suf ... |
7-6-2012 at 10:24
by: nezza |
Maths question regarding grams and dissolving metals
Copper is (usually) Divalent so a simple equation would be :-
Ignoring the requirement for an oxidi ... |
3-6-2012 at 03:33
by: nezza |
Starting with the Rare Earths
Indeed. Here's a short video showing paramagnetism in Dysprosium sulphate. |
5-5-2012 at 06:08
by: nezza |
NaOH vs KOH
They are both similar in strength. The choice of which to use depends on circumstances. KOH is much ... |
5-5-2012 at 01:10
by: nezza |
Lithium Flame tests
I have had success with lithium hydroxide in methanol (Lithium from lithium battery) No purple potas ... |
29-4-2012 at 00:19
by: nezza |
Copper Citrate Shenanigans
I think you are basically making a variant of Benedicts solution. With citrate copper II forms a com ... |
29-4-2012 at 00:07
by: nezza |
Synthesis of Iodine from KI and sulfuric acid question.
The reaction between alkali and Iodine is broadly
3I2 + 6OH- -> 5I- + IO3- + 3H2O
Adding ac ... |
16-4-2012 at 10:38
by: nezza |
Making silver nitrate - impure silver
weiming is right. Copper nitrate decomposes at a much lower temperature than silver nitrate. I have ... |
11-4-2012 at 01:08
by: nezza |
Lithium periodate
This is a random question, but how soluble in water is lithium periodate ?. I can't find the answer ... |
18-3-2012 at 07:05
by: nezza |
Sodium sulphide
Thanks for the answers. I have found a supplier I can get 100g off so that will do. One more questio ... |
15-3-2012 at 02:30
by: nezza |
Simple,basic experiments...
One of the things that got me interested was simple precipitation reactions, for example lead nitrat ... |
11-3-2012 at 14:22
by: nezza |
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