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How to get Hydrobromic acid (HBr) from Br2
If you really want to spoil your Br2, then add it to a solution of NaOH and then heat the solution t ...
19-1-2018 at 10:11
by: woelen
How to get Hydrobromic acid (HBr) from Br2
Why use (expensive and valuable) Br2 for this? Get some KBr or NaBr, available at kilo quantities fr ...
19-1-2018 at 00:01
by: woelen
Tetraphenylethylammine copper (II) nitrate
This is a remarkable reaction. Apparently, the complex is not formed immediately, but slowly. It als ...
16-1-2018 at 23:48
by: woelen
UK legal disposal of banned substances.
For me things are quite simple. I have a [i]hobby[/i]. If I have to read hundreds of pages of legal ...
16-1-2018 at 04:08
by: woelen
Is the cadmium/lead content in vintage dolls truly dangerous?
I only can repeat what others already said before. As long as there is no flaking or powdering of ma ...
15-1-2018 at 23:55
by: woelen
Tetraphenylethylammine copper (II) nitrate
No, I would not use ammonia as a base. I also would use sodium hydroxide, but I would allow for a sl ...
15-1-2018 at 23:45
by: woelen
UK legal disposal of banned substances.
I have the impression that many of the regulations (REACH) are about the use for all kinds of proces ...
11-1-2018 at 11:45
by: woelen
Religion thought as science
[quote]He/It could clear up ANY misunderstanding at all with a simple appearance to the world to tak ...
11-1-2018 at 07:19
by: woelen
p2np amphetamine synthesis
Blatant cookery, even admits consuming the crap he made.
Detritus.
11-1-2018 at 04:19
by: woelen
Religion thought as science
[rquote=503147&tid=79610&author=DrP][...]To sum up then - why? Why god when you have alread ...
9-1-2018 at 10:07
by: woelen
Religion thought as science
[quote][...]The bible may well contain SOME wisdom, like any other book - but to claim the highest, ...
9-1-2018 at 07:43
by: woelen
Religion thought as science
[rquote=503120&tid=79610&author=Fulmen][...]When has religion ever produced any useful knowl ...
9-1-2018 at 05:20
by: woelen
What even?!
Yes, dichloroacetylene indeed is nasty stuff. I once made some of this by accident. it spontaneously ...
8-1-2018 at 23:45
by: woelen
Avoiding Phosgene with Hexavalent Chromium and DCM
I would not worry about phosgene in this setup. The red color is due to dissolved CrO3. This dissolv ...
8-1-2018 at 08:08
by: woelen
Phosphorous pentoxide from phosphate?
How pure is P4O10, formed by burning red phosphorus? I have red phosphorus, and when I ignite this, ...
8-1-2018 at 03:01
by: woelen
Ideas for experiments based on chemicals?
V2O5 is very interesting. It is an acidic oxide and does not have the inertness as stuff like TiO2 o ...
7-1-2018 at 12:00
by: woelen
Nickel salts and compounds
Maybe if you use powdered metal, the reaction works better.
Nickel has a tendency to form a thin pr ...
4-1-2018 at 23:41
by: woelen
Nickel salts and compounds
[rquote=502164&tid=79392&author=NEMO-Chemistry]The Vanadium Pentoxide was a huge mistake! I ...
3-1-2018 at 04:13
by: woelen
Nickel salts and compounds
@NEMO: I can donate some dutch coins. They are appr. 99.5% nickel, the balance being mostly tin. I m ...
3-1-2018 at 04:01
by: woelen
Manganese and it's salts - starting point & processes
[rquote=502224&tid=79382&author=Perchlorate]I prefer to just use sulphur dioxide... Bubbling ...
3-1-2018 at 00:35
by: woelen
Nickel salts and compounds
It's a pity you paid that amount of money for such impure nickel. The impurities stronly interfere i ...
1-1-2018 at 10:26
by: woelen
Sodium azide toxicity
Mercury arsenate is quite toxic, but I respect the long-term effects more than the immediate effect. ...
1-1-2018 at 10:12
by: woelen
Super oxidizer: combination of periodate and peroxodisulfate
Simply heating it strongly in a dry test tube most likely shows that it contains iodine, due to form ...
1-1-2018 at 09:57
by: woelen
Sodium azide toxicity
For exactly this reason I work quite comfortably with KCN or NaN3. These compounds are not dusty, so ...
30-12-2017 at 13:05
by: woelen
Carbon tetrachloride
Oh yes, as a kid I played with CCl4 like I play with water. I bought the stuff OTC, in bottles of 10 ...
20-12-2017 at 23:56
by: woelen
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