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Make Potassium (from versuchschemie.de)
Even with a large yield from the experiment, the white solid by product from the reaction in D70 (Mg ...
17-12-2010 at 21:02
by: len1
Make Potassium (from versuchschemie.de)
Coalescing and cleaning is no problem - I have done that a lot with electrolysis potassium and this ...
17-12-2010 at 19:26
by: len1
Make Potassium (from versuchschemie.de)
Removing the potassium from the conical this morning I experienced some difficulty in that the large ...
17-12-2010 at 19:07
by: len1
Make Potassium (from versuchschemie.de)
Yes, here are some more pictures. I did not have time to let the potassium cool to rt and opened the ...
17-12-2010 at 07:33
by: len1
Make Potassium (from versuchschemie.de)
Well I performed the experiment and the results are in.

First I would like to thank Wilco for get ...
17-12-2010 at 06:27
by: len1
Make Potassium (from versuchschemie.de)
You can hardly call one of the few sets of posts with any relevant scientific content in this thread ...
16-12-2010 at 17:15
by: len1
Make Potassium (from versuchschemie.de)

[quote]
A warning is not sufficient in such cases. Immediate banning is the only thing which work ...
16-12-2010 at 06:44
by: len1
Make Potassium (from versuchschemie.de)
Wilco and I really thought (not in jest, seriously) more of you than this classic

/quote
All th ...
15-12-2010 at 18:47
by: len1
Make Potassium (from versuchschemie.de)
Wilco I must say Im surprised at you. Im not sure where you see flaming in my short posts. Just beca ...
15-12-2010 at 16:32
by: len1
Make Potassium (from versuchschemie.de)
Destructive is when you try to bring another persons argument down with no good reason. And there is ...
14-12-2010 at 16:40
by: len1
Make Potassium (from versuchschemie.de)
Thats an interesting point. However I am not 'theorising' I have them sitting around, and potassium ...
14-12-2010 at 13:15
by: len1
Make Potassium (from versuchschemie.de)
Potassium balls that size are not even 'nearly round '.

Im not even going to reply to his post f ...
14-12-2010 at 12:37
by: len1
Make Potassium (from versuchschemie.de)
Sorry blogfast that was a typo. I meant less viscous. I have read about using isopropanol or butanol ...
14-12-2010 at 03:59
by: len1
Make Potassium (from versuchschemie.de)
Pok I think you have misunderstood me. That KOH contains 10% water is not a reflection on anyones sk ...
14-12-2010 at 00:56
by: len1
Make Potassium (from versuchschemie.de)
@blogfast Yes I saw your theory, and that would be a good proposal except that in that case its a li ...
13-12-2010 at 12:04
by: len1
Make Potassium (from versuchschemie.de)
Well I am as surprised as anyone by this, since I had gotten it completely out of my mind as a prett ...
13-12-2010 at 05:27
by: len1
How to make Carbon Tetrachloride
I find you need a 2x molar excess of Cl2 in UV light for complete conversion (> 99.9%).

Howeve ...
25-11-2010 at 21:43
by: len1
Strange purple compound when oxidizing p-aminophenol
Thanks for that. I tried it at 60C and judging by sight the reaction takes about 1min to arrive at a ...
19-10-2010 at 02:42
by: len1
Strange purple compound when oxidizing p-aminophenol
I tried to repeat oxidizing p-aminophenol with H2O2.

Most of the time was spent purifiying the o ...
18-10-2010 at 20:11
by: len1
Reagents in NZ
I remember as a teenager in 1980 walking 1hr down Hutt Rd (no public transport there) to Waltons for ...
4-10-2010 at 19:05
by: len1
Why has Mg no flame color ?
There coat of welding rods contains salts of different compositions to aid ionisation, and there is ...
20-9-2010 at 07:18
by: len1
Why has Mg no flame color ?
When one takes an EE or EA spectrum, one always uses a metal salt rather than the metal, for electr ...
20-9-2010 at 06:01
by: len1
Why has Mg no flame color ?
Thats an interesting question.

the colour radiated by a body can be divided into two components: ...
20-9-2010 at 04:17
by: len1
Potassium from lithium in an organic solvent
[rquote=185139&tid=14292&author=len1]
But ethers also tend to be wet and hydroscopic. the ...
19-9-2010 at 05:13
by: len1
Strange purple compound when oxidizing p-aminophenol
The idea that the color is due to complex formation with metal ions was my interpretation of the art ...
28-8-2010 at 18:06
by: len1
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