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Preparation of Ferrate solution.
Do not boil down the bleach! It disproportionates when hot, producing chlorate and chloride, which a ...
24-3-2016 at 23:02
by: ave369
I want to hear your favorite chemistry demonstrations
Neutralization of sulfuric acid with bicarbonate of soda, with crystal violet added to the acid. Bec ...
24-3-2016 at 11:53
by: ave369
Preparation of Ferrate solution.
A little question: what is the isopropyl flame for? Ferrate synthesis via the hypochlorite method pr ...
23-3-2016 at 21:59
by: ave369
D'oh
An RBF can do it, too.
21-3-2016 at 12:04
by: ave369
nitric acid from calcium nitrate
What's so scary about distilling nitric acid? If you have an all-glass apparatus or a retort, it can ...
21-3-2016 at 04:49
by: ave369
Cleaning dishes with NaOH
[rquote=441821&tid=65588&author=hissingnoise]
My wife cleared out all our aluminium cookwar ...
18-3-2016 at 06:21
by: ave369
degraded MgO
Yeah, a metal pan and a gas stove will do. Don't worry about the temperature, you can't overdo it: M ...
16-3-2016 at 06:08
by: ave369
degraded MgO
Why don't you just calcine MgO? It guaranteedly turns any carbonate impurities back into the oxide.
15-3-2016 at 07:24
by: ave369
Cleaning dishes with NaOH
The idea of using strong chemicals to clean badly fouled kitchenware got into my mind, too. But I ha ...
13-3-2016 at 21:38
by: ave369
Prussian Blue from Laundry Bluing
I think, hot concentrated oxalic acid could produce a small amount of hydrogen cyanide. But it's pro ...
11-3-2016 at 01:49
by: ave369
fluid pump and tubing capable of pumping low temperature 0C to -78C temp Acetone
Would a modified plastic hand-pumped garden sprayer work? It works on positive pressure, rather than ...
10-3-2016 at 05:04
by: ave369
Methanol and Nitric Acid?
[rquote=440276&tid=65433&author=Marvin]

For me the major problem with NO[sub]2[/sub] is n ...
9-3-2016 at 23:22
by: ave369
Problem boiling down sulfuric acid
Do not use glass chips. I tried to use them, once. The acid bumped like gunfire, like there was a wa ...
9-3-2016 at 00:51
by: ave369
Processing a bar of impure bar of gold
Not everything. Silver will not dissolve in aqua regia, instead it will turn into the insoluble silv ...
8-3-2016 at 03:00
by: ave369
Bubbles in boiling water?
The OP said about boiling water, not merely hot. Dissolved air escapes from hot water before it boil ...
7-3-2016 at 04:08
by: ave369
Bubbles in boiling water?
1. Bubbles cannot be made of heat, because heat is not a material or substance.
2. Bubbles do not c ...
7-3-2016 at 03:38
by: ave369
Mario840 is the man
Who exactly lives in Belarus: you or him? If it's him, it will be of immense usefulness to me, I'm l ...
6-3-2016 at 11:59
by: ave369
Hydrogen halides by phosphoric acids?
When I was making HI through this method, it came out noticeably brownish-yellow. This means some io ...
6-3-2016 at 08:29
by: ave369
Dissolving unreactive metals in diluted sulfuric acid
Not only oxygen can do this. Any oxidizer mixed with a non-oxidizing acid lets it react with unreact ...
4-3-2016 at 04:53
by: ave369
Hydrogen halides by phosphoric acids?
[rquote=440240&tid=65429&author=chornedsnorkack]
Interesting. The heating needed to distil ...
2-3-2016 at 00:40
by: ave369
Methanol and Nitric Acid?
What's so hard about distilling HNO3 from nitrate and sulfuric acid? I've done that in a goddamn ret ...
28-2-2016 at 00:19
by: ave369
Hydrogen halides by phosphoric acids?
Yes, phosphoric acid works for all halide salts. In fact, even for all salts of volatile acids: I've ...
28-2-2016 at 00:14
by: ave369
Detection of Toxic Gasses
Chlorine, hydrogen chloride and bromide, ammonia and formaldehyde can be detected by smell before th ...
24-2-2016 at 12:31
by: ave369
Why are hydroxides slippery and acids grippy?
The floor could be subtly greasy, covered by a thin layer of fat (particularly common if it's a kitc ...
24-2-2016 at 02:43
by: ave369
Getting aq. solutions of inert metals without killing myself
_Powdered_ iridium can react with sodium peroxide by slagging them together and then reacting the re ...
23-2-2016 at 02:24
by: ave369
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