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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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