Years ago I asked Paul Cope this question, and his answer was that
Wilmad's final step was to rinse the tubes in New Jersey water. He left
it to me to decide if that was "clean enough".
KAren Ann
Karen Ann Smith karenann@unm.edu
Manager, NMR Facility Adj. Asst. Prof.
Dept. of Chemistry Clark Hall
University of New Mexico Albuquerque, NM 87131
505.277.4031 url: http://www.unm.edu/~karenann
"Facts are the enemy of Truth" - Don Quixote