Hi Anette, You can get single crystal GaN commercially. I have some. Is this trace nitrogen? In which case the standard doesn't really matter. So boron nitride would also work... You might also post your request here: http://probesoftware.com/smf/index.php?board=16.0 john On 11/18/2015 8:40 AM, Anette von der Handt wrote: > Dear all, > > I have project on nitrogen in various materials in my lab and am > trying to find a iron nitride that is not a powder for associated SIMS > work (so GaN won't do). > > Does anyone know of a source or even have some to share? Willing to > pay or otherwise have various other materials to trade. > > Thank you! > > Best, > > Anette > > -- > Dr. Anette von der Handt > > Department of Earth Sciences > University of Minnesota > 310 Pillsbury Drive SE > Minneapolis, MN 55455 > > Office phone: (612) 624-7370 > Office fax: (612) 625-3819 > Lab phone: (612) 624-3539 > **** JEOL Probe Users Listserver > > Moderator: Anette von der Handt, [log in to unmask], Electron Microprobe > Lab, University of Minnesota > > Post a message: send your message to [log in to unmask] > > Unsubscribe: send "SIGNOFF PROBEUSERS" to [log in to unmask] > > On-line help and FAQ: http://probelab.geo.umn.edu/listserver.html > > * > -- John J. Donovan [log in to unmask] University of Oregon (541) 346-4632 (office) 1443 E. 13th Ave (541) 346-4655 (probe) Eugene, OR (541) 346-6854 (FAX) 97403-1241 CAMCOR Web: http://camcor.uoregon.edu/ Facility Web: http://epmalab.uoregon.edu/ Cameca SX100 Schedule: http://camcor.uoregon.edu/calendar/sx100 Cameca SX50 Schedule: http://camcor.uoregon.edu/calendar/epma FEI Quanta Schedule: http://camcor.uoregon.edu/calendar/sem **** JEOL Probe Users Listserver Moderator: Anette von der Handt, [log in to unmask], Electron Microprobe Lab, University of Minnesota Post a message: send your message to [log in to unmask] Unsubscribe: send "SIGNOFF PROBEUSERS" to [log in to unmask] On-line help and FAQ: http://probelab.geo.umn.edu/listserver.html *