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Copper bromide from copper sulphate
I have noiticed with acetone that it is quite easily oxidized when it is mixed with moderately stron ... |
15-8-2020 at 23:30
by: woelen |
Small scale production of H2SO4 in the amateur lab
Sulfuric acid is hard to get your hands on in certain countries and there also is upcoming regulatio ... |
15-8-2020 at 13:21
by: woelen |
Copper bromide from copper sulphate
What you made is impure CuBr. Acetone reduces the copper(II) to copper(I). You precipitate CuBr, whi ... |
14-8-2020 at 04:19
by: woelen |
Is it feasible to make sulfuric acid via H2O+SO3 in vapour phase?
I have a little 65% oleum and I did the experiment of adding a single drop of this to cold water. As ... |
12-8-2020 at 23:30
by: woelen |
SO2 from CuSO4, S, H2SO4 and/or FeSO4?
Decomposition of ammonium sulfate does not give SO2. It has sulfur in oxidation state +6 and this is ... |
12-8-2020 at 23:13
by: woelen |
Inorganic projects
I have done quite a few interesting things:
- Make Na3H2IO6 (sodium orthoperiodate) from NaI and Na ... |
12-8-2020 at 05:33
by: woelen |
Carcinogens
Just look at it as to smoking cigarettes. Smoking cigarettes is known to increase the risk of cancer ... |
11-8-2020 at 04:36
by: woelen |
Lead compound
Using PbCl2 for making Pb(NO3)2 is not impossible, but the reaction and workup is not easy.
PbCl2 ... |
11-8-2020 at 01:41
by: woelen |
Bureaucratic burden of opening/running a lab
This thread leads to nothing and nowhere . . .
I close it.
[Edited on 4-8-20 by woelen] |
4-8-2020 at 10:31
by: woelen |
how to remove a silver oxide stain
The mildest way to get rid of the oxide layer is dissolving some NaHCO3 or Na2CO3 in water. Put a pi ... |
4-8-2020 at 10:07
by: woelen |
Long term storage of TACP
It is safe to store the ammine complex of copper(II) perchlorate. I made this complex myself (and I ... |
22-7-2020 at 12:28
by: woelen |
Strange Copper 2 chlorate + sodium chlorate complex
The lower solubility of KClO3 also makes it harder to get a decent current. So, there is a trade off ... |
19-7-2020 at 08:58
by: woelen |
Strange Copper 2 chlorate + sodium chlorate complex
@mysteriusbhoice: Thanks for writing all the steps. I now indeed am convinced that you made copper c ... |
18-7-2020 at 11:58
by: woelen |
Amazing fluorescent precipitate of copper(I) with propargyl alcohol
I now have a few pictures and videos I want to share:
A picture of the precipitate:
[file]8 ... |
18-7-2020 at 11:43
by: woelen |
Latest chemical order?
Some new interesting chemicals for me 
100g K2Ni(CN)4.H2O, potassium tetracyanonickelate(II) mo ... |
17-7-2020 at 06:53
by: woelen |
Strange Copper 2 chlorate + sodium chlorate complex
It still is not clear to me how you make the Cu(ClO3)2. Could you provide a step by step description ... |
17-7-2020 at 00:17
by: woelen |
Brown crystals within green copper(II) chloride crystals - What are they?
I have written a web page about these chlorocuprates and I made the cesium salt and isolated this. T ... |
16-7-2020 at 04:37
by: woelen |
Most potent H2O2 decomposition catalysts available to an amateur
[rquote=640833&tid=155807&author=unionised]The reaction with permanganate is not catalytic, ... |
16-7-2020 at 04:25
by: woelen |
Strange Copper 2 chlorate + sodium chlorate complex
Do you really have Cu(ClO3)2? Could you make pictures of the original reagents, before you mix them? ... |
15-7-2020 at 23:36
by: woelen |
Removing lead oxide from lead ingots.
Very dilute HNO3 works like a charm. Use somewhere between 5% and 10% concentration, not higher. At ... |
15-7-2020 at 23:16
by: woelen |
Most potent H2O2 decomposition catalysts available to an amateur
I don't think that the metal ion makes a great difference, it is the iodide which does the trick. Pr ... |
15-7-2020 at 23:03
by: woelen |
Brown crystals within green copper(II) chloride crystals - What are they?
Copper(II) chloride indeed can be dehydrated by heating, but the resulting material becomes slightly ... |
14-7-2020 at 23:31
by: woelen |
Amazing fluorescent precipitate of copper(I) with propargyl alcohol
I isolated the yellow compound and dried it. The yellow compound absorbs an amazing amount of water ... |
14-7-2020 at 23:26
by: woelen |
Ways to precipitate sodium ions?
Hypophosphite reduces copper(II) to the hydride, you get fine crystals of CuH, when a solution of a ... |
14-7-2020 at 05:23
by: woelen |
KCN synthesis. Care to share your thoughts?
I would not bubble HCN in an aqueous solution of KOH. In alkaline water solution, the cyanide fairly ... |
13-7-2020 at 04:58
by: woelen |
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