Agreed, Rich. We have ANALAR as a matter of course, so I use that. I'm sure that REAGENT grade will be equally effective.
_______________________________________________________________________________ Science is the lamp which man has himself kindled: it has built him lighthouses on the dark shores of the unknown: but his dreams, his quests for truth, lead him beyond the waters which his little lamp of knowledge illumines; and if he would venture on the farther ocean he must set his course by a star. S. R. Lysaght, "A reading of life". ------------------------------------- David Beach, Scientist, Machine Vision Team, Industrial Research Limited, POBox 2225, Auckland, New Zealand. +64 9 303 4116 (Voice), +64 9 302 8106 (Fax), http://www.irl.cri.nz (Web). ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~