| Search |
| [Next Page] |
Preparation of potassium hexafluoromanganate(IV) from household items
Take a look at the references of your source. Your source quotes my source. And your source doesn't ... |
19-11-2015 at 09:46
by: Pok |
Preparation of potassium hexafluoromanganate(IV) from household items
This is not K2MnF6. The salt is decomposed by water and you are working in nearly pure water with ne ... |
19-11-2015 at 04:36
by: Pok |
versuchschemie.de
The forum was copied in Jan 2015 and saved as pdf files. You can find the links here:
http://ill ... |
12-11-2015 at 15:55
by: Pok |
Caesium sample in a little ball
It could depend on the cleanliness of the glass inside and on the purity of the caesium (e.g. contam ... |
4-8-2015 at 07:26
by: Pok |
tin metal powder
[rquote=410642&tid=62722&author=blogfast25]My experiment did not involve heat, so that might ... |
27-6-2015 at 16:04
by: Pok |
tin metal powder
Stannites disproportionate in hot and/or strongly alkaline solutions, no matter what you observed or ... |
23-6-2015 at 08:04
by: Pok |
tin metal powder
[rquote=410122&tid=62722&author=blogfast25]actual references/sources.[/rquote]
Which?
M ... |
23-6-2015 at 02:27
by: Pok |
tin metal powder
[rquote=410067&tid=62722&author=blogfast25]In the absence of an oxidiser it would be [i]stan ... |
22-6-2015 at 17:21
by: Pok |
tin metal powder
[rquote=409891&tid=62722&author=Molecular Manipulations]Replace sodium with aluminum and tin ... |
22-6-2015 at 07:32
by: Pok |
tin metal powder
If you heat tin to 162 °C but below ~ 230 °C (m.p.) you will get gamma tin (the third allotrope be ... |
13-6-2015 at 13:08
by: Pok |
Remarkable reaction of antimony
It seems to be Cs[sub]2[/sub]SbCl[sub]6[/sub]: http://books.google.de/books?id=_1gFM51qpAMC&pg=P ... |
11-4-2015 at 15:58
by: Pok |
exhaustive list of inorganic gases
Here are some more gases, including organic ones: http://de.wikibooks.org/wiki/Tabellensammlung_Chem ... |
29-12-2014 at 08:11
by: Pok |
Liquid chlorine storing
Thick-walled glass ampoule. Seal it with bunsen burner when the chlorine is well below its boiling p ... |
29-12-2014 at 07:59
by: Pok |
Preparation of elemental phosphorus
There is already a thread about black P: http://www.sciencemadness.org/talk/viewthread.php?tid=12196 ... |
6-11-2014 at 15:48
by: Pok |
The trouble with neodymium...
@MrHomeScientist: don't you think that neodymium itself will burn in air at such high temperatures? ... |
26-10-2014 at 16:57
by: Pok |
Fluorine in quartz?
@sbreheny: if you only have amateur equipment your idea of destroying the ampoule is probably the on ... |
23-10-2014 at 10:34
by: Pok |
Recovery of Pd from Pd/C catalyst
Make a BBQ and separate the Pd from the carbonates and oxides of less noble metals in the ash. Maybe ... |
3-10-2014 at 06:19
by: Pok |
The weirdest chemical element ?
Your sources are quite old (1934 and 1946). Although this myth can still be found in modern literatu ... |
30-9-2014 at 08:42
by: Pok |
The weirdest chemical element ?
[rquote=349525&tid=36052&author=bismuthate]Antimony is also really odd because it can be exp ... |
30-9-2014 at 08:06
by: Pok |
The trials & tribulations of Thorium production
Radiochemistry is more physics - how to separate isotopes and so on. But this threat mainly deals wi ... |
12-9-2014 at 07:14
by: Pok |
Thulium (III) color
He bought the first sample from another supplier. I also believe that it is thulium. But "belief" is ... |
9-7-2014 at 11:21
by: Pok |
Thulium (III) color
[rquote=337678&tid=31107&author=kmno4]even small erbium contamination may give colourless th ... |
9-7-2014 at 10:29
by: Pok |
Thulium (III) color
I don't see a reason for you to test for iron. Thulium is very slightly magnetic as your sample is. ... |
9-7-2014 at 08:00
by: Pok |
Thulium (III) color
My Tm oxide and sulfate are magnetic (using a very strong magnet). Also the oxides of: Er, Ho, Eu (w ... |
4-7-2014 at 12:25
by: Pok |
Thulium (III) color
[rquote=336784&tid=31107&author=Brain&Force]hexaaquadichloroterbium(III) chloride[/rquot ... |
2-7-2014 at 10:11
by: Pok |
| [Next Page] |
