Published May 2002
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EXAFS analysis of uranium speciation in plants using the difference technique
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Description
An EXAFS spectrum is the sum of the signals of scattering contributions from single atoms and multiple scattering (MS) between atoms. The scattering contributions with high intensity are the major and such with low intensity are the minor components in an EXAFS spectrum. A chi-squared fit algorithm is not sensitive enough to the minor components. A difference technique has been developed /1/ to isolate the minor components from the whole EXAFS spectrum to increase the accuracy in determinating of their EXAFS structural parameters. (orig.)
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Additional details
Publishing Information
- Imprint Title
- Forschungszentrum Rossendorf, Institute of Radiochemistry. Annual report 2001
- Imprint Pagination
- 79 p.
- Journal Page Range
- p. 47
- ISSN
- 1437-322X
- Report number
- FZR--343
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 33066553
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Descriptors DEI
- BACKSCATTERING; DATA ANALYSIS; DATA PROCESSING; FOURIER TRANSFORMATION; PLANTS; QUANTITATIVE CHEMICAL ANALYSIS; URANYL NITRATES; X-RAY SPECTRA
- Descriptors DEC
- ACTINIDE COMPOUNDS; CHEMICAL ANALYSIS; INTEGRAL TRANSFORMATIONS; NITRATES; NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; PROCESSING; SCATTERING; SPECTRA; TRANSFORMATIONS; URANIUM COMPOUNDS; URANYL COMPOUNDS