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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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 802: Symposium DD – Actinides - Basic Science, Applications, and Technology , 2003 , DD4.3
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

1. Fein, J. B., Daughney, C. J., Yee, N. and Davis, T. A., Geochim. Cosmochim. Acta, 61, 3319 (1997).Google Scholar
2. Soderholm, L., Williams, C. W., Antonio, M. R., Tischler, M. L. and Markos, M., Mat. Res. Soc. Symp Proc., 590, 28 (2000).Google Scholar
3. Kelly, S. D., Kemner, K. M., Fein, J. B., Fowle, D. A., Boyanov, M. I., Bunker, B. A. and Yee, N., Geochim. Cosmochim. Acta, 66, 3855 (2002).Google Scholar
4. Burns, P. C., Ewing, R. C. and Hawthorne, F. C., Can. Miner., 35, 1551 (1997).Google Scholar
5. Burns, P. C., Ewing, R. C. and Miller, M. L., J. Nucl. Mater., 245, 1 (1997).Google Scholar
6. Burns, P. C., Deely, K. M. and Skanthakumar, S., Radiochim. Acta, (in press).Google Scholar
7. Nitsche, H., J. Alloys Cmpds., 223, 274 (1995).Google Scholar
8. Soderholm, L., Antonio, M. R., Williams, C. and Wasserman, S. R., Anal. Chem., 71, 4622 (1999).Google Scholar
9. Williams, C. W., Blaudeau, J. P., Sullivan, J. C., Antonio, M. R., Bursten, B. and Soderholm, L., J. Am. Chem. Soc., 123, 4346 (2001).Google Scholar
10. Antonio, M. R., Soderholm, L., Williams, C. W., Blaudeau, J.-P. and Bursten, B. E., Radiochim. Acta, 89, 17 (2001).Google Scholar
11. Jayanetti, S., Mayanovic, R. A., Anderson, A. J., Bassett, W. A. and Chou, I.-M., J. Chem. Phys., 115, 954 (2001).Google Scholar
12. Karanfil, C., Zhong, Z., Chapman, D., Fischetti, R., Bunker, G. B., Segre, C. U. and Bunker, B. A., in Synchrotron Radiation Instrumentation, 521, 178 (2000).Google Scholar
13. Khelashvili, G., Ivanov, I., Morrison, T. I., Bunker, G. and Chapman, D., Rev. Sci. Instrum., 73, 1534 (2002).Google Scholar
14. Jensen, M. P. and Nash, K. L., Radiochim. Acta, 89, 557 (2001).Google Scholar
15. Giaquinta, D. M., Soderholm, L., Yuchs, S. E. and Wasserman, S. R., J. Alloy Compd., 249, 142 (1997).Google Scholar
16. Giaquinta, D. M., Soderholm, L., Yuchs, S. E. and Wasserman, S. R., Radiochim. Acta, 76, 113 (1997).Google Scholar
17. Percival, J., Skanthakumar, S., Soderholm, L., Burns, P. C. and Locock, A., in Synchr. X-radiation studies of illitic clays for Cigar Lake, Geol. Surv. Canada, (2000).Google Scholar
18. Skanthakumar, S. and Soderholm, L., (unpublished).Google Scholar
19. Bratsch, S. G., J. Phys. Chem. Ref. Data, 18, 1 (1989).Google Scholar
20. Antonio, M. R., Williams, C. W. and Soderholm, L., Radiochim. Acta, 90, 851 (2002).Google Scholar
21. Schmidt, K. H., Gordon, S., Thompson, R. C. and Sullivan, J. C., J. Inorg. Nucl. Chem., 42, 611 (1980).Google Scholar
22. Sullivan, J. C., Gordon, S., Cohen, D., Mulac, W. and Schmidt, K. H., J. Phys. Chem., 80, 1684 (1976).Google Scholar
23. Jonah, C. D., Miller, M. L. and Matheson, M. S., J. Phys. Chem., 81, 1618 (1977).Google Scholar