> Carol,
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.
Best regards,
Mark
PS Please send recent reprints relating to this topic.
--
Mark A. Altabet
CMAST
U. Mass. Dartmouth
706 Rodney French Blvd.
New Bedford, MA 02744-1221
Tel: (508) 999-8622
Fax: (508) 999-8197