> The question is how to obtain these particle-sizes and
> how to sieve powders so small.
Responses in "Modern Powder Diffraction", Reviews in Mineralogy
Vol. 20, Bish & Post, ed.=20
Chapter 4 : "Sample preparation for X-ray diffraction", Bish &
Reynolds, Jr., pages 73-99 (1989).
The response is not simple and general, the following is a
citation of the above text:
"Contrary to reports in the mineralogical literature on the
preparation of <10-=B5m powders, we have not been able to prepare
homogeneous powders of this particle size using a hand mortar
and pestle without considerable effort." etc.
Armel
Armel Le Bail, Laboratoire des Fluorures URA CNRS 449
Faculte des Sciences, Universite du Maine, F-72017 Le Mans, France
Tel: (33) 43 83 33 47 Fax: (33) 43 83 35 06
Email: armel@fluo.univ-lemans.fr or armel@ONE.univ-lemans.fr
Home Page: http://fluo.univ-lemans.fr:8001/