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Changing Np Redox Speciation in the Synchrotron Beam

Published online by Cambridge University Press:  01 February 2011

S. Skanthakumar,
D. Gorman-Lewis,
A. Locock,
M.-H. Chiang,
M. P. Jensen,
P. C. Burns,
J. Fein,
C. D. Jonah,
K. Attenkofer and
L. Soderholm
S. Skanthakumar
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.Actinide Facility, University of Notre Dame, South Bend, IN.
D. Gorman-Lewis
Affiliation:
Civil Engineering and Geological Sciences, University of Notre Dame, South Bend, IN.
A. Locock
Affiliation:
Civil Engineering and Geological Sciences, University of Notre Dame, South Bend, IN.
M.-H. Chiang
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.
M. P. Jensen
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.
P. C. Burns
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.Civil Engineering and Geological Sciences, University of Notre Dame, South Bend, IN.
J. Fein
Affiliation:
Civil Engineering and Geological Sciences, University of Notre Dame, South Bend, IN.
C. D. Jonah
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.
K. Attenkofer
Affiliation:
Advanced Photon Source, Argonne National Laboratory, Argonne, IL, and
L. Soderholm
Affiliation:
Chemistry Division, University of Notre Dame, South Bend, IN.Actinide Facility, University of Notre Dame, South Bend, IN.Civil Engineering and Geological Sciences, University of Notre Dame, South Bend, IN.
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Abstract

X-ray absorption data, obtained from Np(V) in two environmentally-related samples, show evidence of significant metal-ion reduction in the synchrotron beam. The data are presented and possible sources of reduction are discussed.

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References

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