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Jackpot from abandoned institute of inorganic chemistry
It can't be thallium. Thallium is well known to have very poorly soluble halides, but the substance ... |
11-7-2018 at 12:09
by: CobaltChloride |
Jackpot from abandoned institute of inorganic chemistry
I wouldn't think an organic complex would be stable inside a flame, but A was stable enough for TheM ... |
11-7-2018 at 10:50
by: CobaltChloride |
Jackpot from abandoned institute of inorganic chemistry
That flame definitely looks like something containing either boron or copper (as hunterman said). I ... |
11-7-2018 at 09:59
by: CobaltChloride |
Jackpot from abandoned institute of inorganic chemistry
How does A react with H2O2? I really don't know any compound that is pink in H2SO4 solution besides ... |
11-7-2018 at 06:43
by: CobaltChloride |
Synthesis of pure Bromine with no byproducts
Ok then. Do you have access to sodium/potassium/ammonium persulfate (peroxydisulfate) from electroni ... |
11-7-2018 at 03:40
by: CobaltChloride |
Jackpot from abandoned institute of inorganic chemistry
Wow... A kilo and a half of mercury salt... Weren't you even a bit scared to take that thing home?
... |
11-7-2018 at 03:35
by: CobaltChloride |
Electrolytical preparation of zin dust
There's actually this video by nurdrage which shows zinc dust can be easily made by electrolysis of ... |
11-7-2018 at 03:18
by: CobaltChloride |
Synthesis of pure Bromine with no byproducts
[rquote=523523&tid=84518&author=walruslover69]There is no oxidant involved in the reaction. ... |
10-7-2018 at 12:56
by: CobaltChloride |
Synthesis of pure Bromine with no byproducts
Why make your life harder and lower yields by using such a weak oxidant? Why wouldn't you want to us ... |
10-7-2018 at 12:09
by: CobaltChloride |
Looking for Long Chain Alcohols or Ketones
Actually, barium hydroxide is a lot more soluble than calcium hydroxide, so that isn't the reason th ... |
10-7-2018 at 07:19
by: CobaltChloride |
Looking for Long Chain Alcohols or Ketones
At least where I live, n-butanol is present in a couple of OTC products:
-as a denaturant in some b ... |
9-7-2018 at 12:30
by: CobaltChloride |
Quick way to determine the concentration of H2SO4
I just tested my 90% drain cleaning H2SO4 with this method and it quickly ate through the paper towe ... |
8-7-2018 at 11:36
by: CobaltChloride |
What could be the products of oxidation of Ca3N2 with H2O2?
I'm guessing you are talking about aqueous H2O2, so the first thing to happen would be the hydrolysi ... |
7-7-2018 at 15:19
by: CobaltChloride |
Quick way to determine the concentration of H2SO4
The one which seems fairly easy to me is sucking up 10ml of the acid into a volumetric pipette and w ... |
7-7-2018 at 14:06
by: CobaltChloride |
An interesting preparation of potassium chromate
In the meantime, all of the Cr2O3 in my reaction has dissolved and now I only need to acidify it and ... |
6-7-2018 at 13:46
by: CobaltChloride |
Extracting selenium and nitric acid from gun blueing solution
Fractional distillation will not work. That boiling point for H3PO4 you have there is actually the t ... |
6-7-2018 at 11:46
by: CobaltChloride |
iodine-silica gel bond
I don't think the iodine (which is creating the purple color) would cleanly separate from the silica ... |
4-7-2018 at 05:25
by: CobaltChloride |
Diamond based polymer.
You could always use sci-hub to access these documents tetraiodide : https://sci-hub.tw/https://onli ... |
30-6-2018 at 23:47
by: CobaltChloride |
Everyday Chemistry
I made some concentrated aqueous ammonia and KNO3 a few days ago. I also made some 13% NaClO from Ca ... |
28-6-2018 at 12:49
by: CobaltChloride |
Update
The Cr2O3 didn't dissolve at all in plain KOH (the solution is still colorless).
Meanwhile, the rea ... |
28-6-2018 at 10:46
by: CobaltChloride |
An interesting preparation of potassium chromate
I watched your video on that and it splatters quite a lot on the work area at some point and you nee ... |
27-6-2018 at 22:56
by: CobaltChloride |
An interesting preparation of potassium chromate
Yeah, that's what I was thinking, but it seems that it's also the oxidzing power of the solution tha ... |
27-6-2018 at 09:20
by: CobaltChloride |
An interesting preparation of potassium chromate
Well here I added the sodium persulfate hoping that it would make things go faster by increasing the ... |
27-6-2018 at 03:19
by: CobaltChloride |
An interesting preparation of potassium chromate
I found this paper that showed that Cr2O3 dissolves very slowly in aqueous NaOH to make Na2CrO4 in t ... |
27-6-2018 at 02:29
by: CobaltChloride |
Disappearance of nitroethane
[rquote=497407&tid=78203&author=Mush]
People wrongly assumes that one can get anything fr ... |
8-6-2018 at 22:45
by: CobaltChloride |
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