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Extraction of platinum metal from Sperrylite (PtAs2) About 10,000 people give or take a bit. However it would be difficult t distribute the As evenly am ...	22-4-2011 at 08:58 by: unionised
laser unit in FT-IR [rquote=205342&tid=15880&author=Wizzard]The laser is used to shine a few particular waveleng ...	30-3-2011 at 11:02 by: unionised
get mercury "also wath common metal doesn't disolve in the mercury? " Steel.	20-3-2011 at 05:32 by: unionised
Zinc sulfide thin films on glass Would something like this help? http://resources.metapress.com/pdf-preview.axd?code=q36555434x70434 ...	20-3-2011 at 02:43 by: unionised
Decomposition of ethanol http://en.wikipedia.org/wiki/Acetobacter But it may take a while.	20-3-2011 at 02:35 by: unionised
desktop NMR? [rquote=204207&tid=15622&author=redox]The resolution on this NMR is too low. 45 MHz is far b ...	17-3-2011 at 11:44 by: unionised
Japanese nuclear reactor problems Do you have any evidence for that?	14-3-2011 at 12:56 by: unionised
AgNO3 stains on countertop [rquote=203915&tid=15427&author=Wizzard]@hodges- Sticky fingers are good at removing anythin ...	10-3-2011 at 13:16 by: unionised
High Purity Cleaning - AKA Do my work for me! I agree with Vulture. They make equipment from fused quartz for a reason. Repeated leaches with hot ...	8-3-2011 at 11:43 by: unionised
Can someone help me identify the use of this? Could it be "inches of mercury"?	6-3-2011 at 09:29 by: unionised
Heating Flammables in Test Tubes In that experiment, by the time the tube is hot enough to ignite methane, all the air will have been ...	6-3-2011 at 09:27 by: unionised
Anti bumping measures For a lot of the things I distil, I find a matchstick wrapped with copper wire (so it sinks) works j ...	22-2-2011 at 11:57 by: unionised
perceived brightness of split lasers The 10th reflection would be about 0.1% of the original beam, but I'm certain it would still be visi ...	21-2-2011 at 13:42 by: unionised
Obtaining methyl methacrylate Most polymethylmethacrylate hasn't got any plasticisers in it.	21-2-2011 at 13:36 by: unionised
Obtaining methyl methacrylate How good is your French? http://www.youtube.com/watch?v=L9ZAuwC8mdk	20-2-2011 at 11:02 by: unionised
Hydrogen from Methanol I suspect we have a really long thread somewhere about making hydrogen from methanol. The by-produc ...	17-2-2011 at 11:40 by: unionised
why heat after reflux If you are going to do that with radiolabelled material it is probably better to use a condenser and ...	15-2-2011 at 12:17 by: unionised
LED Dangers - Unbelievable Paranoia! "You didn't respond to the point you simply changed it " " Much like global warming crap if it's ...	13-2-2011 at 07:07 by: unionised
Gas scrubber for fermentation products "How do you gents enjoy science " My idea of science doesn't include DIY ant bait. It takes all sor ...	13-2-2011 at 06:32 by: unionised
LED Dangers - Unbelievable Paranoia! [rquote=201437&tid=15492&author=quicksilver]That is called sarcasm. _______ [b]QUOTE ...	13-2-2011 at 06:21 by: unionised
Gas scrubber for fermentation products Making your own pesticides is illegal in the UK. I don't know about elsewhere. Piping the gas outsi ...	12-2-2011 at 09:26 by: unionised
LED Dangers - Unbelievable Paranoia! "RoHS compliance? What the fuck is that?" Thank you for demonstrating the care with which you hav ...	12-2-2011 at 09:06 by: unionised
Gas scrubber for fermentation products You will need a lot of NaOH.	10-2-2011 at 10:52 by: unionised
Decent laboratory balances? I use a cahn microbalance like that at work. I don't trust it to the 100ng it claims, but it's perfe ...	6-2-2011 at 07:34 by: unionised
Dilution problem The question is not properly specified Also the density of formalin isn't that high, it's wrong on ...	6-2-2011 at 07:21 by: unionised
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