We need to measure the C13/C12 ratio of stream water dissolved
organic carbon that passes through a .45 um filter. We couldn't think
of a way to collect the substance on a filter. Would you kindly share
your experiences with us, or refer us to appropriate publications?
Research Specialist Phone: 602-965-5696
Isotope Lab/Biology Fax: 602-965-2519
Arizona State University Mailto:[log in to unmask]
Tempe, AZ 85287-1501