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Ruthenium(III) chloride - RuCl3
If you are from the EU, you should also consider buying RuCl3*xH2O from onyxmet: http://onyxmet.com/ ...
4-6-2019 at 21:15
by: CobaltChloride
Chloroform Synthesis: Why does the common procedure uses Acetone instead of Ethanol?
[rquote=614250&tid=150644&author=asox]@Metacelsus

@CobaltChloride

I think you got the ...
2-6-2019 at 04:20
by: CobaltChloride
Chlorine hydrate
You can use Google translate to translate the German page I linked, it gives pretty precise instruct ...
1-6-2019 at 05:15
by: CobaltChloride
Chlorine hydrate
You can read a detailed post in German about it here:
https://illumina-chemie.de/gasverfluessigung- ...
1-6-2019 at 04:03
by: CobaltChloride
Chloroform Synthesis: Why does the common procedure uses Acetone instead of Ethanol?
The 2 reactions are:

3 CH3CH2OH + 12 NaClO = 10 NaOH + 4 CHCl3 + 2 HCOONa + H2O

3 NaClO + CH3C ...
1-6-2019 at 01:57
by: CobaltChloride
NiSO4 storage
I wouldn't worry about nickel sulfate stored in a closed container, be it plastic or glass (not meta ...
1-6-2019 at 01:37
by: CobaltChloride
Are there step by step guides about trading chemicals online?
In the EU at least it's very simple because there's no border checks so you can easily order chemica ...
1-6-2019 at 01:34
by: CobaltChloride
How to clean a separatory funnel?
I soak my glassware in a Na3PO4 bath with soap to clean it when I encounter difficult stains. Works ...
19-5-2019 at 13:41
by: CobaltChloride
Correction of thermometer readings
I always assumed that for distillations you have to place the thermometer so that the bulb is just b ...
19-5-2019 at 13:35
by: CobaltChloride
Yellow ether?
This happened as well with ether distilled from starter fluid in my case. In order to ensure purity, ...
15-5-2019 at 12:05
by: CobaltChloride
Unable to concentrate nitric acid to 68%
https://www.sciencemadness.org/whisper/viewthread.php?tid=13090 This method is my favorite due to it ...
15-5-2019 at 12:00
by: CobaltChloride
Cleaning Marble
You can use sodium thioglycolate. It dissolves iron deposits at neutral pH and it is sold as rust st ...
13-5-2019 at 04:50
by: CobaltChloride
Recovering iodine from copper I iodide
[rquote=612288&tid=149980&author=wg48temp9]
The CuI can also be complexed with hexamine to ...
12-5-2019 at 03:44
by: CobaltChloride
Screwed soap cleaning soln, how to proceed?
Melamine sponges are also great for removing seemingly impossible to remove stains on glassware. I h ...
11-5-2019 at 10:49
by: CobaltChloride
Screwed soap cleaning soln, how to proceed?
As far as I know, soap with perfume works perfectly well for glassware as well as long as it's for c ...
11-5-2019 at 07:23
by: CobaltChloride
Determning purity of OTC sodium hydroxide
It also depends on where you buy it from. Solutions of my supermarket NaHCO3 marketed as baking powd ...
6-5-2019 at 02:15
by: CobaltChloride
12 V vacuum pumps for filtration/distillation
I have bought a similar looking 12V vacuum pump from ebay, although mine was just around 12USD and i ...
4-5-2019 at 15:30
by: CobaltChloride
Determning purity of OTC sodium hydroxide
Here you can get all sorts of NaOH grades. The cheapest one is ~70% NaOH and ~30% NaCl, while the on ...
4-5-2019 at 15:27
by: CobaltChloride
Future-gazing: available now, restricted tomorrow?
Here it is already not available in food stores anymore... Although, this doesn't mean I can't sourc ...
1-5-2019 at 03:05
by: CobaltChloride
Idea for making haloalkanes from OTC ingredients?
The most simple OTC synthesis of a haloalkane is that of MeI posted here I'd say.
https://www.scie ...
26-4-2019 at 15:40
by: CobaltChloride
New proposal for EU regulations
I am not fond of this regulation proposal at all, but for now we still have time to stock up on chem ...
24-2-2019 at 02:43
by: CobaltChloride
New proposal for EU regulations
I hope it will only require such an end-user statement, but we cannot be sure yet...
Also, I haven' ...
21-2-2019 at 09:53
by: CobaltChloride
New proposal for EU regulations
This law proposal has been recently made. It aims to reevaluate the legality of every chemical that ...
21-2-2019 at 09:22
by: CobaltChloride
How to determine the ratio of two chemicals mixed together?
Well you can do it like this, where x is the mass fraction of NaCl, y is the mass fraction of KCl an ...
20-1-2019 at 11:42
by: CobaltChloride
How to determine the ratio of two chemicals mixed together?
That is a bit too high. The density of KCl is 1.984 g/cm^3, while the density of NaCl is 2.17 g/cm^3 ...
20-1-2019 at 11:25
by: CobaltChloride
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