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Storage of Manganese heptoxide It's never been a good idea to ampoule something which is likely to evolve gas. At best, in time, y ...	4-4-2014 at 08:40 by: unionised
Copper oleate: Syth and Properties You can get a crude copper oleate preparation by dissolving copper sulphate in water and adding to t ...	1-4-2014 at 05:58 by: unionised
Favorite element Gold! Lots of Gold!	17-3-2014 at 13:47 by: unionised
Chemist's Nightmare [rquote=322773&tid=27874&author=thesmug][rquote=315156&tid=27874&author=Brain&Fo ...	16-3-2014 at 12:59 by: unionised
Separate sodium bicarb from NH4CL and water What problem are you actually trying to solve? What are you trying to achieve?	10-3-2014 at 13:24 by: unionised
Dripping wash bottles You can buy non-drip wash bottles. In my observation they are awful. They drip anyway when you hav ...	3-3-2014 at 13:38 by: unionised
Does anyone know what this is used for? I think that's an automatic burette.	1-3-2014 at 13:38 by: unionised
NMR purity analysis...? "NMR can not be used to measure purity." Oh yes it can. But you need to be very careful. And, as ...	20-2-2014 at 12:49 by: unionised
Distilled water density [rquote=319387&tid=28928&author=sbreheny] About pH - someone asked if I had measured the pH ...	20-2-2014 at 12:45 by: unionised
Distilled water density [rquote=319356&tid=28928&author=blogfast25]@unionised: So what's the applied correction? ...	20-2-2014 at 12:42 by: unionised
parabola aproximation with stright line The question isn't well enough defined for turd's algebra to answer. For example, take the parabola ...	16-2-2014 at 08:37 by: unionised
Distilled water density If I had a dollar for every time someone slavishly copies down more than 3 significant figures from ...	16-2-2014 at 08:24 by: unionised
Distilled water density I may have missed it, but I didn't see any reference to correcting for the buoyancy of the air while ...	16-2-2014 at 07:23 by: unionised
Metabolism of Propylene Glycol Teaching students to drink lab chemicals is a bad idea.	15-2-2014 at 06:13 by: unionised
at the risk of being flamed.. another Vacuum Pump question "i have come across KNF diaphragm pumps and they look fairly tough, but i cannot get an answer as to ...	19-1-2014 at 02:21 by: unionised
Science bullcrap on TV http://en.wikipedia.org/wiki/Suspension_of_disbelief	7-1-2014 at 13:06 by: unionised
Suitable motor to run a large diy mag stirrer. Feeding power to an electromagnet would be a problem. It's possible, but a lot of work. "I bought a ...	22-12-2013 at 08:21 by: unionised
Suitable motor to run a large diy mag stirrer. "I have found these Neodym magnets that i have thought about. " I think you might need to think aga ...	21-12-2013 at 06:17 by: unionised
"Raid" after housefire. Laptop confiscated, not chems? Perhaps they forensics guys are much better at their job than you give them credit for. Don't for ...	21-12-2013 at 02:33 by: unionised
Electronic Component Identification Something like the T type filter here? http://www.murata.com/products/emicon_fun/2011/09/emc_en28.h ...	12-12-2013 at 10:28 by: unionised
DIY Plastic Buying styrene is probably easier than cleaning a distillation flask full of baked resin.	26-11-2013 at 14:09 by: unionised
Capturing O2 to breath http://en.wikipedia.org/wiki/Oxygen_toxicity	23-11-2013 at 06:09 by: unionised
Interesting byproduct from aluminum foil and can scrap metal I wonder if both of the last two posts are sort of right. TiO2 is a very common pigment - it's fa ...	11-11-2013 at 13:08 by: unionised
Explosive containing nitrogen at all oxidation states Complexes of the N2 molecule exist, and the nitrogen has a formal zero oxidation state. http://en.w ...	10-11-2013 at 08:30 by: unionised
Explosive containing nitrogen at all oxidation states Zero is going to be a challenge.	9-11-2013 at 13:08 by: unionised
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