Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
Perchloric acid failed synthesis. HELP REQUIRED!
[rquote=687494&tid=159872&author=Elemental Phosphorus]
[...]The product was very acidic and ...
20-9-2023 at 22:43
by: woelen
Perchloric acid failed synthesis. HELP REQUIRED!
If you want to do anything else than pyrotechnics with your perchlorate, then KClO4 is the worst per ...
20-9-2023 at 01:21
by: woelen
Solvent for realgar?
I do not feel comfortable heating realgar to 300 C or so. It is not a salt, but a covalent compound, ...
28-8-2023 at 13:02
by: woelen
Dissolving Molybdenum in hypochlorite bleach
The colorless gas most likely is O2. Many transition metals have a catalytic effect on decomposition ...
28-8-2023 at 12:55
by: woelen
Which chlorine oxidants dissolve gold?
I would expect that at low pH gold can dissolve in chlorates (chloric acid). Chlorous acid is not st ...
26-8-2023 at 13:49
by: woelen
The situation with the delivery of parcels from Russia (www.chemcraft.su)
There is no problem with cryptocurrencies, there is a problem with Russia (which is something differ ...
26-8-2023 at 10:09
by: woelen
potassium perchlorate
Potassium perchlorate can easily be made from ammonium perchlorate.
Buy pure KCl and take 1 mol of ...
26-8-2023 at 10:06
by: woelen
Preparation of ionic nitrites
This kind of old information can be really interesting. I believe that in old books and papers there ...
24-8-2023 at 23:14
by: woelen
Preparation of ionic nitrites
Interesting quote. The english translation contains some small, but essential errors. Below follows ...
24-8-2023 at 05:11
by: woelen
Solvent for realgar?
I tried the experiment with CS2. It does not work at all. I added 100 mg or so of finely crunched As ...
21-8-2023 at 10:52
by: woelen
Why Calcium Acetate not burning?
The decomposition only occurs if a lot of energy is put into the compound. So, the energy you gain b ...
18-8-2023 at 03:52
by: woelen
Solvent for realgar?
I'll try dissolving As4S4 in CS2. Not difficult to do that at a test tube scale, I have a fair amoun ...
16-8-2023 at 23:19
by: woelen
Solvent for realgar?
I purchased some natural realgar from AliExpress. This is the material I received (the red variation ...
16-8-2023 at 04:04
by: woelen
Higher oxidation states in aqueous solution
You could give it a try with small quantities. There are some things to keep in mind though:
- the ...
15-8-2023 at 23:00
by: woelen
Higher oxidation states in aqueous solution
I do not expect this to be much easier. High temperature solid-solid reactions usually lead to inhom ...
14-8-2023 at 23:15
by: woelen
Higher oxidation states in aqueous solution
Making the ferrates indeed is fairly easy, but isolating them and getting them in a state of reasona ...
13-8-2023 at 23:25
by: woelen
Why is Beryllium so rare ?
It is scarce, because it is formed in stars, but also quickly is destroyed again. In stellar cores, ...
12-8-2023 at 14:32
by: woelen
Tetrahydrothiophene identified in sewer Tiel
Not something to play with. It is not particularly dangerous, but it has an extremely potent smell. ...
12-8-2023 at 14:24
by: woelen
Your weirdest chemical that's gotten moldy?
I had a jar of ferric ammonium citrate, the brown variation. One year later, there was a big layer o ...
9-8-2023 at 13:55
by: woelen
Tutorial for making a miniature chlorate cell
The liquid is quite corrosive, and if you scrape the crystals out of the container with a metal spoo ...
8-8-2023 at 23:11
by: woelen
getting rid of hydrogen gas
Even if the reaction is performed in a very inefficient way, then with 10 grams of NaBH4 I do not ex ...
28-7-2023 at 14:08
by: woelen
Selenium polycations
I have some so-called "SeS2". It is a nice orange powder, with a slight brownish hue. I do not belie ...
27-7-2023 at 10:18
by: woelen
Selenium chemistry in HCl
For me, heating NaBr or KBr in 85% H3PO4 worked quite well. This produces humid HBr (fuming), perfec ...
27-7-2023 at 10:10
by: woelen
getting rid of hydrogen gas
If it is (fairly) pure, not with oxygen mixed in, then the easiest way of getting rid of it is burni ...
27-7-2023 at 10:00
by: woelen
Introduction to myself
Henni, I changed your name to Taba. The password remains the same.
18-7-2023 at 05:46
by: woelen
[Next Page]

  Go To Top