At 03:48 PM 3/23/00 +0100, you wrote: >Hello, > >I'm looking for a standard material to use as an internal strandard >(lattice parameter) for High Temperature X-ray diffraction ( range 300-1400K). >I already use silicon, however it can react with other phases. > >Do you have any suggestions? > I have used Gold and Pt. in the past. They are more inert than Si, but may still react at the upper part of your range. ************************************************************************ Apurva Mehta SSRL/SLAC PO Box 4349, MS 69 Stanford, CA 94309 (650) 926 4791 (650) 926 4100 - FAX ************************************************************************