Method of standard-less phase analysis by means of a diffractogram
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United States of America Patent
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Aug 22, 2000
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N/A
app pub date -
Dec 18, 1998
filing date -
Dec 22, 1997
priority date (Note) -
Expired
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Abstract
A method of determining the concentrations of the constituents in a mixture of substances by way of an X-ray diffractogram of the mixture. The fundamental difficulty that it is not possible to determine the entire power spectrum (PS) of the diffraction is avoided by making a suitable estimate of the PS on the basis of the diffractions that can be observed. Using an estimate of the dispersive power of the individual atoms in the unity cells of the constituents and the PS, the absolute intensities are determined from the relative intensities and on the basis thereof the concentrations of the constituents in the mixture are determined.
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