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Obtaining pure hydrochloric acid
With the latter reaction, AJKOER is right. HOCl is a VERY weak acid, and even carbonic acid (from CO ...
18-10-2019 at 14:18
by: woelen
Obtaining pure hydrochloric acid
@AJKOER: Many of the reactions and pathways you describe may occur in trace amounts, or transiently, ...
17-10-2019 at 23:02
by: woelen
Mass and Weight
The good news is that when you use a scale of given accuracy you can have much better accuracy in yo ...
16-10-2019 at 05:56
by: woelen
So what actually are not allowed in whimsy?
Fusso, don't make a fuzz of this ;)
Any subject is suitable, and common sense will help you (and n ...
14-10-2019 at 03:19
by: woelen
Sodium Hexahydroxostannate (IV)
Boiling the water, before dissolving your alkali also helps removing CO2.
The alkali, used in this ...
14-10-2019 at 03:12
by: woelen
Burnt hotplate cord
I agree with Deathunter88. As long as the cord is not damaged too much, keep it as is. Wrap some tap ...
8-10-2019 at 07:08
by: woelen
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
Some people are very sensitive to HCN and can smell it very well, but it is known that appr. one thi ...
8-10-2019 at 00:14
by: woelen
Iron (III) oxide is not soluable in acids?
[rquote=624093&tid=154139&author=teodor]Calcined SnO2 is not so inert, it easily reacts with ...
7-10-2019 at 23:14
by: woelen
Iron (III) oxide is not soluable in acids?
many metal oxides becomes very inert, when they are heated for prolonged time at high temperatures. ...
7-10-2019 at 06:24
by: woelen
making bromine water
For such requests I will make some time ;) . . . somewhere this week.
My extreme corrosives gallery ...
7-10-2019 at 04:51
by: woelen
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
Ferrocyanide is even more stable than ferricyanide. In the EU (and I think in many other places as w ...
6-10-2019 at 23:23
by: woelen
making bromine water
Yes, some chemicals or mixes simply cannot be kept around safely for a long time. Bromine water is o ...
6-10-2019 at 23:08
by: woelen
Obtaining pure hydrochloric acid
I used my 30% hardware store HCl to make appr. 25% very pure HCl.

I have a distillation setup and ...
6-10-2019 at 08:48
by: woelen
making bromine water
Nice synthesis of bromine. Bromine water cannot be stored indefinitely. I once made bromine water (j ...
6-10-2019 at 08:40
by: woelen
Oxidation of ammonia by KMnO4?
The latter is a very dangerous thing to do. The mix of an ammonium salt and a chlorate may explode o ...
3-10-2019 at 23:13
by: woelen
Oxidation of ammonia by KMnO4?
Ammonia and KMnO4 do not react at appreciable speed. Ammonia is not easily oxidized. You need hypoch ...
2-10-2019 at 12:27
by: woelen
Potassium Ferricyanide + Ammonia - Fire/Explosion Hazard?
I assume that information is from an MSDS. Usually that kind of sheets errs on the safe side in the ...
30-9-2019 at 22:37
by: woelen
Make Cobalt Chloride from Cobalt Metal?
[rquote=623794&tid=154099&author=hodges]Thanks for the suggestions. I ordered the cobalt me ...
29-9-2019 at 23:27
by: woelen
Make Cobalt Chloride from Cobalt Metal?
The path through the hydroxide is not pleasant at all. At high pH, cobalt is easily oxidized to its ...
29-9-2019 at 02:23
by: woelen
Latest chemical order?
Keep it in a very well sealed container. Tin(II) chloride is hygroscopic, hydrolyses very easily, an ...
27-9-2019 at 13:53
by: woelen
Order a chemical, get something else
I had a similar experience with cobalt sulfate. The material I received was a fairly fine powder, wh ...
25-9-2019 at 04:36
by: woelen
Anyone willing to sell nitromethane 100-200ml?
No need to move to detritus, little mistakes like this sometimes happen.
No problem ;)
24-9-2019 at 01:01
by: woelen
Concentrating nitric acid and peforming nitration using succinic anhydride
This can be quite dangerous. Nitric acid is a very strong oxidizer, especially at high concentration ...
20-9-2019 at 00:05
by: woelen
Ethyl acetate and butyl acetate uses and storage
You cannot store CrO5 for more than a few hours. I once tried it myself in my younger years :D

In ...
18-9-2019 at 23:44
by: woelen
Sensitive test for gold
Making SnCl2 by adding peroxide is not an option. If you add H2O2, then the tin is oxidized to its + ...
18-9-2019 at 23:29
by: woelen
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