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Red Phosphorus Source
If it is from chemcraft.su, then you can trust it. That company delivers good quality materials and ... |
14-1-2020 at 23:35
by: woelen |
Latest chemical order?
@DavidJR: That list of chemicals must have cost you a fortune, also because of the large quantities ... |
14-1-2020 at 03:10
by: woelen |
Sodium Benzoate and KMnO4
1) The orange/brown color is due to very finely suspended hydrous MnO2. If the material becomes more ... |
14-1-2020 at 00:05
by: woelen |
Balance Underload and Overload Error
Going to a service centre is not worth the effort. If it is a service center for professional equipm ... |
13-1-2020 at 23:46
by: woelen |
Can amateurs buy thionyl chloride from www.chemsavers.com?
I have some SOCl2 and it indeed is not unmanageable. Storage is not easy though. You need a glass bo ... |
13-1-2020 at 05:46
by: woelen |
Attempts to make calcium iodide
Again, AJKOER makes things much more complicated than what is relevant for Lion850. If any of these ... |
13-1-2020 at 05:15
by: woelen |
When Chemistry Goes Wrong
[rquote=629222&tid=63645&author=woelen]I have the same experience with dilute smell. When I ... |
13-1-2020 at 00:06
by: woelen |
Sodium Benzoate and KMnO4
KMnO4 is capable of breaking down the carbon skeleton of many organic compounds. The breakdown may b ... |
13-1-2020 at 00:04
by: woelen |
When Chemistry Goes Wrong
I have the same experience with dilute smell. When I was pouring the acid, the smell was strong, but ... |
9-1-2020 at 13:33
by: woelen |
When Chemistry Goes Wrong
This evening I had a really unpleasant experience. I ordered 500 ml of 99.5% pure butyric acid. I re ... |
9-1-2020 at 12:02
by: woelen |
The Short Questions Thread (4)
The only one I can think of is sodium hypochlorite. Where I live, we can buy big jugs (10 liters, or ... |
9-1-2020 at 02:57
by: woelen |
Latest chemical order?
Interesting set of chemicals. Do you have a specific use in mind for propionic acid? I have an 80% s ... |
8-1-2020 at 07:34
by: woelen |
anyway to make [Ag(NH3)2]Cl? (having trouble)
You can safely have an ammoniacal silver solution, but you should not store it overnight. Prepare wh ... |
7-1-2020 at 23:19
by: woelen |
NaClO2 storage
NaClO2 is stable on storage. I have a 28% solution, which is over 10 years old and it still is as go ... |
7-1-2020 at 07:58
by: woelen |
Concentrating Battery Acid and Chromium Sulfate Synthesis
I have the impression that dissolving chromium in a non-oxidizing acid (e.g. HCl or dilute H2SO4) re ... |
7-1-2020 at 03:59
by: woelen |
Latest chemical order?
I ordered the compound (dien), a.k.a. diethylene triamine, NH2CH2CH2NHCH2CH2NH2. It is an extension ... |
7-1-2020 at 02:00
by: woelen |
Beginner Project Ideas
Electrolysis experiments also are very nice. If you take apart a zinc carbon battery and you do this ... |
6-1-2020 at 23:49
by: woelen |
anyway to make [Ag(NH3)2]Cl? (having trouble)
DraconicAcid is right.
I want to add something to this. Silver ions and ammonia can react to form ... |
6-1-2020 at 23:39
by: woelen |
OTC Dimethyl Ether
DME is not a strong methylating agent, it actually is fairly inert at room temperature. At elevated ... |
6-1-2020 at 14:16
by: woelen |
OTC Dimethyl Ether
At the moment you can buy this material in pure form as an extraction agent for oils from all kinds ... |
6-1-2020 at 04:30
by: woelen |
Concentrating Battery Acid and Chromium Sulfate Synthesis
The bicarbonate also precipitates chromium, but I think that you then get basic carbonate and carbon ... |
6-1-2020 at 02:41
by: woelen |
Concentrating Battery Acid and Chromium Sulfate Synthesis
Chromium is a very peculiar element, in terms of how it behaves in its coordination chemistry.
If ... |
6-1-2020 at 00:04
by: woelen |
Golden rain experiment ruined . Did not recrystallise out on cooling
PbI2 in solution cannot be overheated. It simply dissolves (to some extent) in boiling water and doe ... |
3-1-2020 at 00:12
by: woelen |
Synthesis of Ammonium Perchlorate
If you boil down the liquid to nearly 150 C then you drive off the HCl, while HClO4 remains behind ( ... |
2-1-2020 at 10:40
by: woelen |
Golden rain experiment ruined . Did not recrystallise out on cooling
This experiment should not be difficult at all if decent chemicals are used. Even if you throw thing ... |
2-1-2020 at 08:11
by: woelen |
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