I am experimenting with methodology for determining NO3- d18O in marine waters
and need to standardize my results to check for isotopic exchange, etc. I have
USGS32 and IAEA N3 nitrate standards. Have you determined the d18O for these.
PS Please send recent reprints relating to this topic.
Mark A. Altabet
U. Mass. Dartmouth
706 Rodney French Blvd.
New Bedford, MA 02744-1221
Tel: (508) 999-8622
Fax: (508) 999-8197