owner-chile-heads@globalgarden.com <Cameron Begg> expounded thusly on Tuesday, April 06, 2004 5:40 AM: > Remember - I'm more of an applied physicist than a chemist :-) Hmmm, I think chemistry _is_ applied physics. Just ask Schrodinger. ;-) I did run across a reference to an h202/phosphoric acid mix used for cleaning brewing vessels and such not. And, iirc, phosphoric acid is an ingredient in coke. Not to imply it isn't toxic. ``Peroxide acid'' does have the ring of industrial usage. Hot regards, Riley