On Mon, Jun 16, 2008 at 3:08 PM, wrote: > > Trying to clean the scum off dirty mercury is 'fun' too. Distilling it is > simply insanity outside a fully equipped lab. Disolving the impurities > with nitric acid is less insane, but still dangerous. Best method I can > see is dripping it slowly through a tiny hole until all the impurities are > contained in the final drop. > > My father used to work on flow meters that relied on a fairly large volume of mercury, about 1 liter. He would take a cone-shaped coffee filter or filter paper, and cut the tip off. He would pour the mercury through this filter paper funnel, and the impurities would stick to the sides. -- Paul Anderson VE3HOP wackyvorlon@gmail.com http://www.oldschoolhacker.com QRP ARCI #13228, GQRP #12447 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist