already tried him, no response on whether he can provide what I'm asking, though it's only been a couple weeks Karen Ziegler wrote: > Jon, > > check IsoSolutions, - contact David Drummond > ([log in to unmask]): > http://www.iso-solutions.com > > Under products, they list enriched waters. I know that for 17-O waters > they offer various degrees of enrichments. They may have something > suitable for you. > > Karen > -- > > ********************************************************************** > Karen Ziegler > Institute of Geophysics and Planetary Physics > 3845 Slichter Hall, Box 951567 > UCLA > Los Angeles, CA 90095, U.S.A. > tel.: (++1) 310-825-1756/310-206-1507 (office/isotope lab) > fax: (++1) 310-206-3051 > e-mail: [log in to unmask] > ********************************************************************** -- Jonathan D. Karr, Ph.D. Technical Director, Duke EnVironmental stable Isotope Laboratory (DEVIL) Duke University Dept.of Biology & Nicholas School of the Environment and Earth Sciences Phytotron Bldg, 71 Science Drive Durham, NC 27708-0340 (919) 660-7418 Fax: (919) 660-7425 [log in to unmask] laboratory website: http://www.biology.duke.edu/jackson/devil/ Adversity is an opportunity