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CuS isn't actually copper(II) sulfide
@j_sum1: That's the difference between high school level chemistry and chemistry at a more detailed ... |
1-12-2020 at 07:50
by: woelen |
GL45 bottles: blue cap versus red cap
The red caps are much more durable in certain cases. I use these red caps for storing Br2, conc. HCl ... |
30-11-2020 at 02:20
by: woelen |
Electrolysis with high voltage and plasma "electrode"
The setup, described in this experiment, absolutely has not any practical uses. As already mentioned ... |
29-11-2020 at 14:01
by: woelen |
What to do with all this ammonium sulphate?
Tetraamminecopper peroxodisulfate indeed is somewhat energetic, but it also is unstable. If you stor ... |
27-11-2020 at 11:50
by: woelen |
Seperation of potassium chlorate and perchlorate from perchlorate cell
No, you are not willing to distill any perchloric acid from sulfuric acid, even if you decide to dil ... |
27-11-2020 at 07:38
by: woelen |
Seperation of potassium chlorate and perchlorate from perchlorate cell
No, not really. It is safer, but the end-product is not very pure. The azeotrope of HClO4 and water ... |
27-11-2020 at 01:35
by: woelen |
Seperation of potassium chlorate and perchlorate from perchlorate cell
You really should make NaClO4, not KClO4.
Getting rid of chlorate is easy. Add some excess HCl t ... |
27-11-2020 at 00:27
by: woelen |
Brominating granules containing mostly Sodium Dichloro-S-Triazinetrione
[rquote=649765&tid=156596&author=SuperOxide][...]
I see... And if I'm going to react the Br ... |
26-11-2020 at 00:42
by: woelen |
Brominating granules containing mostly Sodium Dichloro-S-Triazinetrione
You can get liquid Br2 from this, but with quite some BrCl dissolved in it. Its appearance will be l ... |
24-11-2020 at 10:51
by: woelen |
Tungsten chemistry
My experience with the second row and third row transition metals is that their chemistry is remarka ... |
24-11-2020 at 10:47
by: woelen |
Nitric acid synthesis with bisulfate weirdness.
Purity of the chemicals also has a strong influence on the amount of foam. I have fertilizer grade K ... |
24-11-2020 at 06:15
by: woelen |
Nitric acid synthesis with bisulfate weirdness.
Don't put too much in the boiling flask. First try with a small amount (filled up to 25% or so). Add ... |
23-11-2020 at 23:50
by: woelen |
Nitric acid synthesis with bisulfate weirdness.
Having a temperature of well over 200 C at the boiling flask is way too high. You meed that to get a ... |
23-11-2020 at 13:35
by: woelen |
Latest chemical order?
Many times I have seen chemicals sold as "anhydrous". In most cases it just means that the chemical ... |
23-11-2020 at 10:50
by: woelen |
Attempt to make antimony thioiodide
I'm not sure, but it could also just be SbI3. Hard to tell from pictures alone. I think you really n ... |
23-11-2020 at 00:54
by: woelen |
Antimony Sulfide
The patent still looks strange to me. Whether Sb2S5 is a real compound or a very intimate mix of Sb2 ... |
20-11-2020 at 02:02
by: woelen |
Antimony Sulfide
I actually think that you have a nice result. Yield probably could be a little better, but your prod ... |
20-11-2020 at 00:28
by: woelen |
Are hexane and petroleum ether interchangeable?
Where I live, hexane also is cheaper. Pentane is more expensive. If I want to buy n-hexane, then I p ... |
19-11-2020 at 02:34
by: woelen |
Latest chemical order?
That's a really nice one! Sad that this is not possible anymore in the EU  |
19-11-2020 at 02:32
by: woelen |
Interesting and colorful coordination chemistry with ethylene diamine
I bought my perchloric acid, together with another member I bought one liter and we shared the cost, ... |
19-11-2020 at 02:26
by: woelen |
Everyday Chemistry
Here follow pictures of the complex. One picture was made just after carefully pressing the crystals ... |
18-11-2020 at 11:06
by: woelen |
Everyday Chemistry
[rquote=649174&tid=84298&author=woelen]Did some crystallization of a mixed ethylenediamine/a ... |
18-11-2020 at 02:16
by: woelen |
Interesting and colorful coordination chemistry with ethylene diamine
That's quite big already. My crystals of nickel complexes are at most 1 mm, but most of them are sma ... |
18-11-2020 at 02:09
by: woelen |
Interesting and colorful coordination chemistry with ethylene diamine
Very nice crystals! How large are they? |
17-11-2020 at 11:07
by: woelen |
2020 Secret Santa [tell everyone how it went]
I ordered several things and expect them to arrive this week. Then I can ship the materials. Santa i ... |
16-11-2020 at 00:37
by: woelen |
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