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Electrolysis
You can do the reverse switching with 2 MOSFETs and an oscillator which has two outputs A and A', wh ...
25-3-2017 at 10:59
by: woelen
ICl and ICl3
For long term storage I only see glass as an option. Even teflon does not work well. The brown stuff ...
23-3-2017 at 01:26
by: woelen
What is the smell of red phosphorus?
@Boffis: I express my concern, because I intend to make a sealed ampoule with white P under water as ...
22-3-2017 at 00:52
by: woelen
ICl and ICl3
Yes, ICl and ICl3 are quite interesting compounds.

They are very reactive. Do not bring them in c ...
22-3-2017 at 00:35
by: woelen
What is the smell of red phosphorus?
[rquote=478249&tid=72897&author=Boffis]White phosphorous also undergoes this reaction on lon ...
21-3-2017 at 04:23
by: woelen
Last chemical order?
500 ml HBr (48%)
500 ml dimethylcarbonate (99%)
20-3-2017 at 02:11
by: woelen
Useless Li metal warning.
From exactly the same seller I have purchased lithium metal two times and the product was amazing. N ...
20-3-2017 at 02:08
by: woelen
Suggestion for keeping a good source open
I would say, leave it up to the sellers themselves. Mario840 decided to place a few lists of chemica ...
17-3-2017 at 00:14
by: woelen
Manganese Heptoxide + Nitromethane = Nothing?!
Sometimes, two chemicals which are expected to be reactive towards each other, do not react. One thi ...
16-3-2017 at 23:44
by: woelen
Suggestion for keeping a good source open
This puts the matter of kno3.com in a very different light. At that time I was quite angry about wha ...
16-3-2017 at 07:26
by: woelen
Cleaning Water out of Graham Condenser
I first pour quite some acetone down the coil, then allow it to drip out of it. Next I pour a small ...
13-3-2017 at 06:17
by: woelen
What is the smell of red phosphorus?
Commercial samples of red phosphorus are almost always contaminated with a tiny amount of white phos ...
13-3-2017 at 01:34
by: woelen
Making bromine (super cheap and easy, no destillation, quantitative yield)
[rquote=477120&tid=72804&author=Eddygp]Nitrosyl bromide itself would be interesting as a rea ...
9-3-2017 at 04:52
by: woelen
[Tests] Ammonium Chlorate NH4ClO3
@PHILOU Zrealone: Interesting info. With that added info I indeed have to agree and I am now also in ...
9-3-2017 at 00:06
by: woelen
Cleaning up Sodium Acetate from vinegar (removing brown color)
I also tried making sodium acetate from white vinegar (and NaOH), but I always ended up with a sligh ...
9-3-2017 at 00:00
by: woelen
[Tests] Ammonium Chlorate NH4ClO3
No need to wait 1 hour after your KClO3 and NH4NO3 are dissolved in water. KClO3 and NH4NO3 are full ...
8-3-2017 at 15:34
by: woelen
[Tests] Ammonium Chlorate NH4ClO3
The addition of the ethanol makes quite a difference. So, indeed it might be that you obtained NH4Cl ...
8-3-2017 at 08:10
by: woelen
Some reagents for sale
I just split off a lot of crap from this thread.

This is not a suspicious offering of chemicals. ...
8-3-2017 at 06:03
by: woelen
MnO2 purification or production from KMnO4
[rquote=476918&tid=72795&author=Sulaiman]ebay.uk has 99.9% MnO[sub]2[/sub] at £7.99 for 500 ...
7-3-2017 at 05:20
by: woelen
LAH storage
I store my LiAlH4 as a dry powder in a special bottle with a very well sealing GL45 screwcap. Sealin ...
27-2-2017 at 06:31
by: woelen
Glow in near vacuum gas ampoules
No, 2.5 kV is too low for such thick-walled ampoules. You need at least 10 kV or so for decent light ...
22-2-2017 at 13:16
by: woelen
Super oxidizer: combination of periodate and peroxodisulfate
[rquote=474793&tid=72333&author=Boffis]Interesting;

I notice you say "Add a little sodium ...
16-2-2017 at 00:09
by: woelen
Super oxidizer: combination of periodate and peroxodisulfate
I discovered a very interesting thing by experimenting with strong oxidizers. Quite a few years ago, ...
15-2-2017 at 05:11
by: woelen
Unique silver compounds
I don't think that silver hypochlorite can form from bleach. Bleach is quite alkaline and under such ...
13-2-2017 at 00:06
by: woelen
Unique silver compounds
Not silver(I) oxide. Silver(I) oxide, when formed in water, is not black, but dirty brown. This is h ...
10-2-2017 at 11:29
by: woelen
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