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Gas pressure/flow regulator [rquote=612662&tid=150140&author=Sulaiman]I guess that a 'normal' regulator followed by a pe ...	30-5-2019 at 09:32 by: unionised
Separation of paraffin wax As a teaching exercise you might be able to freeze (mainly) triolein out of olive oil.	28-5-2019 at 12:54 by: unionised
Separation of paraffin wax Fractional distillation's not going to work much better than melting point. You are beyond the real ...	28-5-2019 at 07:37 by: unionised
Makeshift oil pump mist filter Just vent the oil mist outside.	28-5-2019 at 01:15 by: unionised
H2O2 as O2 source for propane/acetylene torch? Whatever it is that you are using the torch for will take enough of your attention that you won't be ...	26-5-2019 at 07:40 by: unionised
Tourist/sightseeing places related to chemistry One day I might get round to visiting Strontian- the only place in the UK with an element named afte ...	19-5-2019 at 01:13 by: unionised
Screwed soap cleaning soln, how to proceed? [rquote=612901&tid=149962&author=DrScrabs]Yes it is, used .5L of dish washing soap and a rin ...	17-5-2019 at 15:38 by: unionised
Help wanted ... calibrating a 2kg F1 calibration weight. Just a thought. Imagine some kind soul offers to weigh your weight for you. That means posting it ...	16-5-2019 at 13:18 by: unionised
Help wanted ... calibrating a 2kg F1 calibration weight. [rquote=612619&tid=150069&author=fusso]Isn't sending it to a calibration company faster than ...	15-5-2019 at 11:05 by: unionised
Acetamide toxicity I guess it's an acetylating agent with similar consequences to an alkylating agent.	14-5-2019 at 10:32 by: unionised
Cleaning Marble [rquote=612310&tid=150003&author=Frostboi][ Anyways, maybe phenol could work? It won’t cer ...	12-5-2019 at 12:09 by: unionised
Cleaning Marble [rquote=612304&tid=150003&author=Frostboi]Did you think of putting it in some dilute phospho ...	12-5-2019 at 11:12 by: unionised
Recovering iodine from copper I iodide [rquote=612288&tid=149980&author=wg48temp9] The CuI can also be complexed with hexamine t ...	12-5-2019 at 04:57 by: unionised
Screwed soap cleaning soln, how to proceed? [rquote=612246&tid=149962&author=DrScrabs] I am on the road for the next days so soaking it ...	12-5-2019 at 00:50 by: unionised
Screwed soap cleaning soln, how to proceed? You are seeking to remove fat from glassware. How is that different from "washing the dishes"? S ...	11-5-2019 at 11:19 by: unionised
Determning purity of OTC sodium hydroxide Do you know that baking powder is not the same as bicarbonate of soda? Food grade NaHCO3 usually ...	6-5-2019 at 01:53 by: unionised
Determning purity of OTC sodium hydroxide You can use sodium bicarbonate as a reference material. The stuff they use in cooking is of very hi ...	5-5-2019 at 05:59 by: unionised
Gold is dissolving in hot HCl + H2O2 solution HCl and H2O2 will generate chlorine and chlorine attacks gold.	29-4-2019 at 11:16 by: unionised
Ethanol + Urea --> Ethyl carbamate? [rquote=610622&tid=149186&author=Morgan] "This regrettable medical situation appears to hav ...	28-4-2019 at 12:09 by: unionised
Please give me the most accurate Ksp data [rquote=610289&tid=148612&author=CharlieA]My bad. I seem incapable of deciphering ambiguous ...	24-4-2019 at 22:29 by: unionised
Notre Dame Smoke About the only thing the colour tells you is that it's not red lead.	20-4-2019 at 04:48 by: unionised
Removal of Trace H202 from Sulfuric Acid SO2	20-4-2019 at 02:12 by: unionised
Steam distillation followed by liquid-liquid extraction? If you can open this https://pubs.acs.org/doi/abs/10.1021/je990278a?journalCode=jceaax you can fin ...	15-4-2019 at 10:29 by: unionised
Community Project - Destroy a funnel! [rquote=608422&tid=147205&author=Tsjerk]It is a powder funnel.[/rquote] No it's not. Powde ...	13-4-2019 at 02:10 by: unionised
The Colors of Uranium Logically, the uranium ore from which the others are made must be the cheapest form in which to buy ...	11-4-2019 at 08:12 by: unionised
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