EXAFS and principal component analysis : a new shell game.

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The use of principal component (factor) analysis in the analysis EXAFS spectra is described. The components derived from EXAFS spectra share mathematical properties with the original spectra. As a result, the abstract components can be analyzed using standard EXAFS methodology to yield the bond distances and other coordination parameters. The number of components that must be analyzed is usually less than the number of original spectra. The method is demonstrated using a series of spectra from aqueous solutions of uranyl ions.

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12 p.

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Wasserman, S. October 28, 1998.

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Description

The use of principal component (factor) analysis in the analysis EXAFS spectra is described. The components derived from EXAFS spectra share mathematical properties with the original spectra. As a result, the abstract components can be analyzed using standard EXAFS methodology to yield the bond distances and other coordination parameters. The number of components that must be analyzed is usually less than the number of original spectra. The method is demonstrated using a series of spectra from aqueous solutions of uranyl ions.

Physical Description

12 p.

Notes

INIS; OSTI as DE00010922

Medium: P; Size: 12 pages

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  • 10th International Conference on X-ray Absorption Fine Structure (XAFS X), Chicago, IL (US), 08/10/1998--08/14/1998

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  • Report No.: ANL/XFD/CP-97037
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10922
  • Archival Resource Key: ark:/67531/metadc619497

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  • October 28, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 7:59 p.m.

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Wasserman, S. EXAFS and principal component analysis : a new shell game., article, October 28, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc619497/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.