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It takes 30 seconds to throw in the spot of CrO3. You don't breathe it,
ingest it, or get it on your skin. Of all the safety things to worry about
in an isotope lab, this one doesn't seem like trouble. As Bob Clayton
points out, everything is ultimately referenced to results from a procedure
using green acid. It is another reason why the old ways are best.
Happy toeplering, and may the acid in the world's isotope labs stay green
and fluid.
Paul Knauth
Department of Geology
Arizona State University
Box 871404
Tempe, Arizona 85287-1404
E-mail: [log in to unmask]
(602) 965-2867 office
(602) 831-1469 home
(602) 965-8102 fax
