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Using industrial chemical processes at home I once got the part of Ostwald process to work- badly. I was trying to get nitrogen for a laser. Si ...	23-9-2020 at 06:24 by: unionised
Has anyone dissolved Titanium Dioxide? [rquote=644933&tid=156192&author=MidLifeChemist]Bedlasky, thanks for the information. Pe ...	22-9-2020 at 04:10 by: unionised
Hydrochloric acid causing HDPE to bubble Has anyone ruled out the use of CaCO3 as a cheap filler in plastics?	21-9-2020 at 13:54 by: unionised
Cautionary Application of Statistical Error Estimates in Physical Chemistry? There's a spurious "d". Immune isn't a verb. That's the longest way I have ever seen someone say ...	21-9-2020 at 08:49 by: unionised
How toxic is chlorine dioxide, compared to chlorine? [rquote=643723&tid=156090&author=Draeger]So, I've been thinking about making a small amount ...	21-9-2020 at 08:46 by: unionised
Sodium sulphite spontaneous oxidation [rquote=644907&tid=156187&author=Boffis] This raises the question as to whether sodium sulp ...	21-9-2020 at 03:58 by: unionised
My synthetic rubies are somewhat impure, how to make cleaner ? KNO3 will convert the Cr2O3 to chromate so I can't see that helping. The best thing I can think of ...	21-9-2020 at 02:08 by: unionised
Separate EtOH and IPA A strong solution of magnesium sulphate or sodium chloride won't mix with IPA, but it will mix with ...	20-9-2020 at 03:11 by: unionised
Reaction Cooling Equipment. What's out there? The official "professional lab" way to do it is with ice. https://www.sciquip.co.uk/products/ice-ma ...	19-9-2020 at 13:40 by: unionised
Ammonium bromide route for rare earth bromides [rquote=644827&tid=156178&author=Boffis]CeO2 will almost certainly oxidize bromide ions to b ...	19-9-2020 at 10:06 by: unionised
Life on Venus?! [rquote=644689&tid=156162&author=teodor] Pure PH3 doesn't react with air in our (Earth) con ...	16-9-2020 at 13:18 by: unionised
How analytical grade chemicals are made? [rquote=644659&tid=156166&author=Fyndium]Methanol, food grade? No thanks, anyways. I don't t ...	16-9-2020 at 04:15 by: unionised
How analytical grade chemicals are made? A friend of mine who used to work in the sugar industry said that they usually expected to sell a pr ...	16-9-2020 at 04:11 by: unionised
any recommendations for a gas chromatograph machine? Contact one of the local analytical equipment maintenance companies + ask what they charge for a mai ...	14-9-2020 at 04:00 by: unionised
Question on extraction of sorbic acid from rowan berries. On the same basis, bicarbonate might be even better.	13-9-2020 at 01:56 by: unionised
What to do with bismuth waste Precipitate it with excess sodium bicarbonate. Filter off the solids (This may be made more compli ...	11-9-2020 at 14:56 by: unionised
Removing trace impurities from H2O2 [rquote=644361&tid=156117&author=macckone]Unionized, The anthrohydroquinone process is not ...	8-9-2020 at 08:39 by: unionised
Well-known reaction of KMnO4 and HCl: how well-known is it really? I wonder if the legendary Cu(III) oxidation state is involved. Ditto Ag(III) if that also acts as a ...	7-9-2020 at 08:46 by: unionised
Removing trace impurities from H2O2 [rquote=644187&tid=156117&author=VeritasC&E][rquote=644183&tid=156117&author=uni ...	6-9-2020 at 01:45 by: unionised
Well-known reaction of KMnO4 and HCl: how well-known is it really? i was hoping you would. It's potentially important to anyone using the reaction to make chlorine. ...	5-9-2020 at 11:25 by: unionised
Caution: Making bromine from TCCA and ammonium bromide does not work [rquote=644240&tid=156107&author=AJKOER]My understanding of the chemistry is that the •HO2 ...	5-9-2020 at 07:23 by: unionised
Doing the math with Ammonium Hydroxide The solution in the bottle contains 28% NH3 by weight. It contains practically no ammonium hydroxid ...	5-9-2020 at 04:50 by: unionised
Well-known reaction of KMnO4 and HCl: how well-known is it really? Cotton and Wilkinson also refer to the reaction as MnO[sub]4[/sub][sup]-[/sup] + 4 Cl[sup]-[/sup] ...	5-9-2020 at 04:28 by: unionised
Doing the math with Ammonium Hydroxide If the density is 0.898 then I doubt that the 28% figure refers to (virtually non existent) ammonium ...	4-9-2020 at 09:22 by: unionised
Strange explosive vapor. I call (Poppy gas) named as a kid Hypochlorite and peroxide will react to produce oxygen. A foam of oxygen made with water/ IPA/ de ...	4-9-2020 at 00:04 by: unionised
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