For quantitative analysis the flat-plate transmission geometry is much more preferable as it is free of the microadsorbtion problem. Of course, resolution is not so easily achievable in this geometry, but one may use synchrotron at last.
Best regards, Leonid Solovyov >Thanks Reinhard and all for quick and comprehensive answers. It appears > that >we do have microabsorption effect as Rietveld content deviates from > expected >in accordance with absorption coefficients and there is no simple fix > for >that but take proper precautions in sample preparation and select right >reference material. >Best regards, > >Peter Zavalij > >BTW does anyone has electronic copy of Brindley paper? > >X-ray Crystallographic Center >Department of Chemistry & Biochemistry >091 Chemistry Building >University of Maryland >College Park, MD 20742-4454 Phone: (301)405-1861 Fax: (301)314-9121 E-mail: [EMAIL PROTECTED] http://www.chem.umd.edu/facility/xray/ ____________________________________________________________________________________ Be a better sports nut! Let your teams follow you with Yahoo Mobile. Try it now. http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQtBI7ntAcJ
