Date: Tue, 18 Oct 1994 10:56:39 -0400
Subject: nitrogen
From: jmcgee@lunatic.er.usgs.gov (Jim McGee)


Alfred:

Geller Microanalytical (508 535-5595) has several nitride standards, including
a TaN. I don't know whether or not they are good, but I would hope so since they
are advertised and sold as standards. Bastin has numerous articles in the MAS
literature regarding N analysis (Microbeam Analysis 1988, p290, for example).
I am dabbling with N analyses in volcanic tuffs (appears to be in the form of
NH4 in feldspars - much lighter stuff than you are studying). Count rates are
poor, to say the least. Good luck.

Jim McGee



James J. McGee email: jmcgee@lunatic.er.usgs.gov
U.S. Geological Survey Phone: (703) 648-6782
959 National Center Fax: (703) 648-6789
Reston, VA 22092