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Copper Sulfate Electrolysis
I do not believe that the white material is the monohydrate. Copper sulfate turns blue, even in the ... |
6-9-2021 at 00:30
by: woelen |
Latest chemical order?
I actually do have some thorium metal, but I never did any experiments with that. It was donated to ... |
6-9-2021 at 00:17
by: woelen |
Latest chemical order?
A really nice one would be thorium violurate  |
5-9-2021 at 23:10
by: woelen |
Latest chemical order?
What experiments are you going to do with thorium nitrate? I don't know much of thorium chemistry, I ... |
5-9-2021 at 13:07
by: woelen |
My zinc oxide not pure, have carbonate, can ZnO absorb CO2?
Both are possible.
Any really basic oxide can absorb CO2 from air. I have similar experience wit ... |
3-9-2021 at 06:23
by: woelen |
Violuric acid salts (fantastic colors and variety)
I did not make the free acid, but the sodium salt. I made the free acid only in solution. Such solut ... |
31-8-2021 at 02:54
by: woelen |
Making the H2/Cl2 Explosion More Interesting
From personal experience I know that electrolysis of NaCl produces a mix of Cl2 and O2 at the anode. ... |
30-8-2021 at 00:48
by: woelen |
Aluminum a rare earth metal ?
I have the same book (I really like it), but it is an old book and insights have changed since then. ... |
30-8-2021 at 00:38
by: woelen |
Potassium bromate and iodide long term storage
Both salts are stable. KBrO3 can be stored indefinitely in any reasonably sealed container, it is no ... |
29-8-2021 at 04:35
by: woelen |
Some metal nicotinates (and picolinate color comparison)
Interesting observations. What surprises me is that the chromium compound becomes so light after dry ... |
26-8-2021 at 23:39
by: woelen |
Copper Nitrate
Violet sin is right, heating hydrated copper nitrate leads to decomposition, with loss of HNO3 and f ... |
25-8-2021 at 00:42
by: woelen |
sulfur charring?
That's right and seems doable. I'll try something like this. I once made a bent test tube for distil ... |
25-8-2021 at 00:32
by: woelen |
sulfur charring?
[rquote=664259&tid=157631&author=unionised]It would be fairly easy to distil some sulphur an ... |
23-8-2021 at 00:30
by: woelen |
Preparation of Al(HSO4)3
Another thing which would trigger suspicion for me is the color they mention. The compound is descri ... |
22-8-2021 at 23:15
by: woelen |
sulfur charring?
Reading through all different replies I indeed am inclined to think that the presence of small amoun ... |
19-8-2021 at 23:59
by: woelen |
Did I just capture some Cr(V)? [edit: Nope, but interesting discussion anyway.]
It is the other way around. Chromium(III) with only water ligands is purple (albeit somewhat vaguely ... |
19-8-2021 at 07:06
by: woelen |
Chloric/Bromic acid storage
They can be kept around at appr. 25% concentration for quite some time, but your bottle and liquid m ... |
11-8-2021 at 11:32
by: woelen |
Science Madness Mug
My mug arrived in good order, already some time ago.
It's a really nice and big one, capable of hol ... |
11-8-2021 at 00:32
by: woelen |
Ethylenediamine query
I do not know anything else than anhydrous ethylene diamine. I have purchased this chemical 3 times ... |
8-8-2021 at 01:38
by: woelen |
Violuric acid salts (fantastic colors and variety)
A picture of the dried powder in a watch glass. The material has a beautiful bright color, it really ... |
4-8-2021 at 11:22
by: woelen |
Violuric acid salts (fantastic colors and variety)
I can report that the production of sodium violurate succeeded very well with the above procedure. I ... |
3-8-2021 at 11:19
by: woelen |
Laboratoriumdiscounter.nl ratings
I have ordered two times from them and my experience was good. Fast shipping and decent prices. I on ... |
2-8-2021 at 13:42
by: woelen |
Violuric acid salts (fantastic colors and variety)
I roughly used the route, described on Illumina, but I did not use any NaCl. That adds another ion ( ... |
1-8-2021 at 12:17
by: woelen |
Selenium sulfide and selenium extraction
Interesting thread. Sulfur and selenium sulfide dissolve in solutions of sulfides, also in a solutio ... |
30-7-2021 at 01:22
by: woelen |
Latest chemical order?
Using KClO4 for making other perchlorates or perchlorate complexes is hardly possible. KClO4 indeed ... |
30-7-2021 at 00:09
by: woelen |
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