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How to tell borosilicate from non-borosilicate glass I think Pyrex cookware is available in a range of colours. The traditional way to tell soda glass ...	10-4-2022 at 12:03 by: unionised
Fun and games with chromium recycling [rquote=672537&tid=158509&author=j_sum1] I also have CrO3. And I also have a decent amount ...	6-4-2022 at 13:14 by: unionised
One-shot electrochemical cell [rquote=672558&tid=158501&author=Sulaiman] - I think that dilute sulphuric acid instead of ...	5-4-2022 at 09:33 by: unionised
very viscous styrene I have never seen crystalline polystyrene, so I'm still puzzled.	4-4-2022 at 04:40 by: unionised
I grew crystals at home and got the structure published in the Cambridge Structural Database :-)	3-4-2022 at 11:22 by: unionised
very viscous styrene Polystyrene dissolves in styrene, so it can't be the crystals.	3-4-2022 at 05:17 by: unionised
Uranium Trouble I guess you don' have access to lots of test kit. But the borax bead test is a good way to track wh ...	3-4-2022 at 03:34 by: unionised
very viscous styrene "Although I did notice some needle like crystals " Any idea what they were?	3-4-2022 at 03:10 by: unionised
Uranium Trouble This may be a stupid question but was the rock radioactive?	2-4-2022 at 12:14 by: unionised
Uranium Trouble Was the uranium solution "the right colour"?	2-4-2022 at 11:53 by: unionised
One-shot electrochemical cell Lithium salts are toxic. More importantly, the lithium metal will react with the water. There's ...	30-3-2022 at 09:32 by: unionised
Determine H2O2 % by density It also depends on there being no other impurities present. For example, peroxide solutions are com ...	28-3-2022 at 04:09 by: unionised
very viscous styrene Styrene is carcinogenic (though not strongly so). Most of the material should distil . What will be ...	27-3-2022 at 01:58 by: unionised
Sodium Hypochlorite "bleach" reagent OTC One potentially useful observation is that teh additives cost money; so the cheapest bleach is likel ...	21-3-2022 at 02:16 by: unionised
Best way to extract sodium hypochlorite? [rquote=672005&tid=158455&author=S.C. Wack] I'm guessing that you don't use desiccators m ...	16-3-2022 at 11:02 by: unionised
Best way to extract sodium hypochlorite? [rquote=672002&tid=158455&author=SWIM] Freeze dryers don't evaporate things. They sublim ...	16-3-2022 at 11:00 by: unionised
Best way to extract sodium hypochlorite? [rquote=671928&tid=158455&author=S.C. Wack] [rquote=671921&tid=158455&author=unioni ...	14-3-2022 at 14:41 by: unionised
Preparation of ionic nitrites "Thiosulfates are stable only in neutral or alkaline solutions, but not in acidic solutions, due to ...	14-3-2022 at 11:43 by: unionised
Making Glowing Radium Paint I'm pretty sure that ZnS isn't stable in air and will oxidise to ZnSO4 (with accompanying hydrolysis ...	13-3-2022 at 03:52 by: unionised
Best way to extract sodium hypochlorite? [rquote=671906&tid=158455&author=S.C. Wack] The hydrates are made by cooling etc. Frozen ...	12-3-2022 at 04:47 by: unionised
Vacuum pump for Cathode Ray Tube (CRT) Also, as soon as you open it there's a good chance that the getter will oxidise leaving a hygroscopi ...	11-3-2022 at 09:26 by: unionised
Best way to extract sodium hypochlorite? [rquote=671822&tid=158455&author=Crazy_Chemist]I need to extract it. [/rquote] Why?	10-3-2022 at 04:48 by: unionised
Synthesis of zinc amalgam for Clemenson reduction [rquote=671748&tid=158435&author=bluamine][rquote=671663&tid=158435&author=unionised ...	8-3-2022 at 11:38 by: unionised
Does sodium hydroxide decompose ethanol? It's worth remembering that cleaning baths get dirty.	8-3-2022 at 03:39 by: unionised
Synthesis of zinc amalgam for Clemenson reduction Does this help? http://orgsyn.org/demo.aspx?prep=CV4P0203	5-3-2022 at 14:19 by: unionised
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