Please could any users of a MIR10 laser system for stable-isotope-ratio analyses contact me offlist. I'm interested in learning what sample cell you are using. Many thanks, Leon -- Dr Leon J. Clarke Lecturer in Environmental Science Director of the Bradford Stable Light Isotope Facility (http://www.brad.ac.uk/archenvi/research/isotopes/index.php) Division of Archaeological, Geographical and Environmental Sciences School of Life Sciences University of Bradford Bradford West Yorkshire, BD7 1DP E-mail: [log in to unmask] Tel: +44 (0)1274 233536 WWW: http://www.brad.ac.uk/AGES/Research/index.php/Staff/DrLeonClarke?list=AGES.Staff