Fast Method of XANES Data Collection Suitable for Oxidation State Mapping
XANES has been recently used for the determination of oxidation states of actinides in environmental samples. To obtain reliable results, however, a sufficiently long counting time at every probing energy and a large number of experimental points per XANES spectrum are
required, due to the complex mathematical model used to fit the measured spectrum. This makes micro-mapping difficult, since the time required for data collection becomes unacceptably long. A simplified model for data collection and evaluation is presented. Its effectiveness has been tested by measuring the distribution of Pu oxidation states in a ¿¿hot¿¿ particle coming from a nuclear weapon test site.
BIELEWSKI Marek;
ERIKSSON Matts;
HIMBERT Jerome;
BETTI Maria;
BELLONI Fabio;
FALKENBERG G.;
2009-11-30
SPRINGER
JRC54484
0236-5731,
http://www.springerlink.com/content/105692/,
https://publications.jrc.ec.europa.eu/repository/handle/JRC54484,
10.1007/s10967-009-0242-0,
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