Spatially resolved micro-X-ray fluorescence and micro-X-ray absorption fine structure study of a fractured granite bore core following a radiotracer experiment

Spectrochimica Acta - Part B Atomic Spectroscopy

Volumn 64, Issue 8, 2009, Pages 791-795

  Denecke, Melissa A ^a   Brendebach, Boris ^a   De Nolf, Wout ^b   Falkenberg, Gerald ^c   Janssens, Koen ^b   Simon, Rolf ^a  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^b UNIVERSITY OF ANTWERP   (Belgium)

^c DESY   (Germany)

Author keywords

XRD; XRF; Actinide speciation; Column tracer studies; Microfocus; Neptunium

Indexed keywords

COLUMN TRACER STUDIES; CROSS SECTION; DETECTION GEOMETRY; ELEMENTAL DISTRIBUTION; HARD ROCKS; MICRO X-RAY FLUORESCENCE; MICRO-X-RAY; MICROFOCUS; MICROMETER-SCALE; MICROVOLUMES; NUCLEAR WASTE DISPOSAL; POTENTIAL CHANGE; REACTION TIME; RESIDENCE TIME; SAFETY ASSESSMENTS; SPATIALLY RESOLVED; X-RAY ABSORPTIONS; XAFS;

ABSORPTION; FLUORESCENCE; GRANITE; NEPTUNIUM; RADIOACTIVE TRACERS; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVE WASTES; WASTE DISPOSAL; X RAY ABSORPTION; X RAY DIFFRACTION; X RAY DIFFRACTION ANALYSIS; ZINC;

EXPERIMENTS;

EID: 69249213424     PISSN: 05848547     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.sab.2009.05.025     Document Type: Article

References (9)

1. Denecke M.A., Janssens K., Brendebach B., De Nolf W., Falkenberg G., Rothe J., Simon R., Somogyi A., Vekemans B., and Noseck U. In: Hedman B., and Pianetta P. (Eds). Confocal μ-XRF, μ-XAFS, and μ-XRD Studies of Sediment from a Nuclear Waste Disposal Natural Analogue Site and Fractured Granite Following a Radiotracer Migration Experiment, X-ray Absorption Fine Structure - XAFS13 (2007), American Institute of Physics, Melville, NY 187-189
2. Römer J., Kienzler B., Vejmelka P., Soballa E., Görtzen A., and Fuß M. FZK-Wissenschaftliche Berichte FZKA6770 (October 2002)
3. Vekemans B., Janssens K., Vincze L., Adams F., and Van Espen P. Analysis of X-ray spectra by iterative least squares (AXIL): new developments. X-ray Spectrom. 23 (1994) 278-285
4. Janssens K., Proost K., and Falkenberg G. Confocal microscopic X-ray fluorescence at the HASYLAB microfocus beamline: characteristics and possibilities. Spectrochim. Acta Part B 59 (2004) 1637-1645
5. Nazmov V., Reznikova E., Somogyi A., Mohr J., and Saile V. Planar sets of cross X-ray refractive lenses from SU-8 polymer. Proceedings of SPIE vol. 5539 (2004) 235-242
6. McMaster W.H., Kerr Del Grande N., Mallett J.H., and Hubbell J.H. Lawrence Livermore National Laboratory Report, UCRL-50174 Section II Revision I (1969)
7. http://cars9.uchicago.edu/~ravel/software/aboutathena.html.
8. Denecke M.A., Dardenne K., and Marquardt C.M. Np(IV)/Np(V) valence determinations from Np L3 edge XANES/EXAFS. Talanta 65 (2005) 1008-1014
9. Denecke M.A., Janssens K., Proost K., Rothe J., and Noseck U. Confocal micro-XRF and micro-XAFS studies of uranium speciation in a tertiary sediment from a waste disposal natural analogue site. Environ. Sci. Technol. 39 (2005) 2049-2058