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Help with Cs2cucl4 (cesium tetrachlorocuprate II) preparation
It is very simple. Just drop solution of CuCl2 in conc. HCl into a concentrated solution of CsCl and ...
17-9-2021 at 04:12
by: woelen
Help with Cs2cucl4 (cesium tetrachlorocuprate II) preparation
[rquote=665338&tid=157938&author=vibbzlab]I just wanted to make this compound just to see th ...
17-9-2021 at 01:23
by: woelen
Report on making chromium chloride CrCl3.6H2O
My personal experience with hexavalent chromium and HCl is mixed. From 25% HCl, I can get chlorochro ...
17-9-2021 at 01:19
by: woelen
KI + HCl + sample + Starch -> yellow colour, why?
I also had bad experiences with "aardappelzetmeel" from a supermarket (the word is the dutch word fo ...
16-9-2021 at 07:21
by: woelen
Report on making chromium chloride CrCl3.6H2O
[rquote=665307&tid=157932&author=S.C. Wack][rquote=665277&tid=157932&author=Lion850] ...
15-9-2021 at 23:18
by: woelen
Thionyl chloride via the oxidation of SCl2 with a chlorate?
[rquote=665308&tid=157933&author=S.C. Wack]The preparation is in my scan of Biltz and Biltz. ...
15-9-2021 at 23:12
by: woelen
Lethal dose of mercuric nitrate
I agree with you. Not all mercury you get in your body will make it into the brain tissue. Part of i ...
15-9-2021 at 07:07
by: woelen
Thionyl chloride via the oxidation of SCl2 with a chlorate?
Pyrosulfate is not oxidizing and in-situ formation of SO3 requires HIGH temperatures. Na2S2O7 is not ...
15-9-2021 at 06:38
by: woelen
Lethal dose of mercuric nitrate
[rquote=665257&tid=156298&author=Texium]woelen, with all due respect, your claims are comple ...
15-9-2021 at 00:49
by: woelen
Report on making chromium chloride CrCl3.6H2O
CrO3 actually is quite an interesting chemical. Some nice demos can be done with it (e.g. igniting e ...
15-9-2021 at 00:31
by: woelen
Thionyl chloride via the oxidation of SCl2 with a chlorate?
The problem with that kind of given reactions on Wikipedia is that in many cases they have no practi ...
15-9-2021 at 00:22
by: woelen
Report on making chromium chloride CrCl3.6H2O
Using CrO3 for making pure CrCl3.6H2O is not such a good idea. At low concentrations of HCl, CrO3 do ...
14-9-2021 at 23:14
by: woelen
Lethal dose of mercuric nitrate
[quote][...]But it may be not so easy to withstand the same dose few days later. If the amount was n ...
14-9-2021 at 05:34
by: woelen
Lethal dose of mercuric nitrate
It's indeed the cumulative effect of mercury, which is scary. Mercuriy(II) has a body half life of w ...
12-9-2021 at 23:30
by: woelen
White Phosphorus
You could take it from the water, put it on a piece of paper tissue and transfer it to a little ethe ...
12-9-2021 at 23:19
by: woelen
Beryllium compounds
First try to dissolve some of the BeO in dilute acid (e.g. 20% HCl, H2SO4, or HNO3). I hope that thi ...
8-9-2021 at 23:48
by: woelen
Border between inorganic and organic chemistry ?
[rquote=664971&tid=157897&author=DraconicAcid]
No, diamond and graphite aren't compounds- t ...
7-9-2021 at 00:19
by: woelen
Border between inorganic and organic chemistry ?
Just to demonstrate how ill-defined the distinction between organic and inorganic is, the following: ...
6-9-2021 at 04:32
by: woelen
Copper Sulfate Electrolysis
I do not believe that the white material is the monohydrate. Copper sulfate turns blue, even in the ...
6-9-2021 at 00:30
by: woelen
Latest chemical order?
I actually do have some thorium metal, but I never did any experiments with that. It was donated to ...
6-9-2021 at 00:17
by: woelen
Latest chemical order?
A really nice one would be thorium violurate ;)
5-9-2021 at 23:10
by: woelen
Latest chemical order?
What experiments are you going to do with thorium nitrate? I don't know much of thorium chemistry, I ...
5-9-2021 at 13:07
by: woelen
My zinc oxide not pure, have carbonate, can ZnO absorb CO2?
Both are possible.

Any really basic oxide can absorb CO2 from air. I have similar experience wit ...
3-9-2021 at 06:23
by: woelen
Violuric acid salts (fantastic colors and variety)
I did not make the free acid, but the sodium salt. I made the free acid only in solution. Such solut ...
31-8-2021 at 02:54
by: woelen
Making the H2/Cl2 Explosion More Interesting
From personal experience I know that electrolysis of NaCl produces a mix of Cl2 and O2 at the anode. ...
30-8-2021 at 00:48
by: woelen
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