>This may be na=EFve on my part, but is there any form of Mercury other tha= n = >liquid? Well, when I was at secondary school I had a piece of solid mercury sitting = on the tip of my finger for a few minutes. But then it had just come out of a liquid nitrogen container ... But I suspect the OP is attempting to distinguish what he wants from other = compounds of mercury that come in powder form (I think mercury fulminate is = one, but it is a component of some explosives IIRC). = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist