Laboratory studies to investigate short-term oxidation and sorption behaviour of neptunium in artificial and natural seawater solutions

Marine Chemistry

Volumn 56, Issue 1-2, 1997, Pages 107-121

  McCubbin, David ^a   Leonard, Kinson S ^a  

^a CENTRE FOR ENVIRONMENT   (United Kingdom)

Author keywords

chemical composition; laboratory study; neptunium; oxidation; seawater; sorption

Indexed keywords

EID: 0031081525     PISSN: 03044203     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-4203(96)00085-0     Document Type: Article

References (29)

1. Allard, B., Kipatsi, H. and Liljenzin, J.O., 1980. Expected species of uranium, neptunium and plutonium in neutral aqueous solutions. J. Inorg. Nucl. Chem., 42: 1015-1027.
2. Andrae, M.O., 1979. Arsenic speciation in seawater and interstitial waters: The influence of biological-chemical interactions on the chemistry of a trace element. Limnol. Oceanogr., 24(3): 440-452.
3. Baskaran, M. and Santschi, P.H., 1993. The role of particles and colloids in the transport of radionuclides in coastal environments of Texas. Mar. Chem., 43(1/4): 95-114.
4. BNFL (British Nuclear Fuels plc), 1984. Annual report on radioactive discharges and monitoring of the environment, 1983, Vol. 1. BNFL (Br. Nucl. Fuels plc), Risley, Warrington (see also subsequent reports in this series).
5. Bondietti, E.W. and Francis, C.W., 1979. Geologic migration potentials of technetium-99 and neptunium-237. Science, 203: 1337-1340.
6. 237Np (by neutron activation analysis), in the physical and biological compartments of the French shore of the English Channel. J. Environ. Radioact., 5: 319-331.
7. Goldberg, E.D., 1963. The ocean as a chemical system. In: M.N. Hill (Editor), The Sea. Vol. 2. Wiley-Interscience, New York, NY, pp. 3-25.
8. Harvey, B.R., 1981. Potential for post depositional migration of neptunium in Irish Sea sediments. In: Impacts of Radionuclide Releases into the Marine Environment. IAEA (Int. At. Energy Agency), Vienna, IAEA-SM-248/104. pp. 93-103.
9. Harvey, B.R. and Thurston, L.M., 1988. Analytical procedures for the determination of neptunium radionuclides in marine waters, sediments and biota. Aquatic Environmental Protection: Analytical Methods Series, 1. MAFF (U.K. Min. Agric. Fish. Food), Dir. Fish. Res., Lowestoft.
10. ICRP (International Commission on Radiological Protection), 1983. Radionuclide transformations - Energy and intensity of emissions. In: F.B. Sowby (Editor), Ann. ICRP (Int. Comm. Radiol. Prot.), Publ. No. 38, Vols. 11-13. Pergamon, Oxford.
11. 137Cs in British coastal waters. Deep-Sea Res., 29(6A): 713-738.
12. 237Np in the marine environment of coastal nuclear sites in India. J. Radioanal. Nucl. Chem., Articles, 182(1): 5-10.
13. 2 with common mineral surfaces in dilute aqueous solutions and seawater. Mar. Chem., 15: 133-150.
14. Lead, J.R., Hamilton-Taylor, J. and Kelly, M., 1996. Artifacts in the determination of the binding of americium and europium to an aquatic fulvic acid. Sci. Total Environ., 177: 221-224.
15. Lovett, M.B. and Nelson, D.M., 1981. Determination of some oxidation states of plutonium in seawater and associated particulate matter. In: Techniques for Identifying Transuranic Speciation in Aquatic Environments. Joint CEA/IAEA Tech. Meet., Ispra, Mar. 1980. IAEA (Int. At. Energy Agency), Vienna, pp. 27-35.
16. McCubbin, D. and Leonard, K.S., 1993. A preliminary study to assess the effect of some seawater components on the speciation of plutonium. J. Radioanal. Nucl. Chem., Articles, 172(2): 363-370.
17. McCubbin, D. and Leonard, K.S., 1995a. Use of radiotracers for studies of metal sorption behaviour. Sci. Total Environ., 173/174: 259-266.
18. McCubbin, D. and Leonard, K.S., 1995b. Influence of some seawater components on the sorption behaviour of neptunium(V), Radiochim. Acta, 69(2): 97-102.
19. Millero, F.J., 1985. The effect of ionic interactions on the oxidation of metals in natural waters. Geochim. Cosmochim. Acta, 49: 547-553.
20. 234Th in continental shelf waters off New England: Implications for the role of colloids in oceanic trace metal scavenging. J. Mar. Res., 51(4): 893-922.
21. Nelson, D.M. and Karttunen, J.O., 1986. Investigation of neptunium behaviour in natural waters. In: Technical Progress Report Jan. 1984 - Dec. 1985. DOE (U.S. Dep. Energy) Rep. ANL-86-15, Part III, Argonne Natl. Lab., Argonne, IL, pp. 19-21.
22. Noshkin, V.E., Wong, K., Eagle, R.J. and Gatrousis, C., 1974. Transuranics at Pacific atolls, 1. Concentrations in the waters at Enewetak and Bikini. USAEC Report UCRL-51612, Lawrence Livermore Lab., Univ. of California. NTIS (Natl. Tech. Info. Serv.) , Springfield, VA, pp. 1-30.
23. Penrose, W.R., Metta, D.N., Hylko, J.M., and Rinckel, L.A., 1987. The reduction of plutonium(V) by aquatic sediments. J. Environ. Radioact., 5: 169-184.
24. 237Np in the Irish Sea. Mar. Ecol. Progr., Ser., 6: 243-247.
25. Pentreath, R.J., Harvey, B.R. and Lovett, M.B., 1986a. Chemical speciation of transuranium nuclide discharges into the marine environment. In: R.A. Bulman and J.R. Cooper (Editors), Speciation of Fission and Activation Products in the Environment. Elsevier, London, pp. 312-365.
26. Pentreath, R.J., Kershaw, P.J., Harvey, B.R. and Lovett, M.B., 1986b. The behaviour of certain long-lived radionuclides in the marine environment. In: Behaviour of Long-Lived Radionuclides Associated with Deep Sea Disposal of Radioactive Wastes. IAEA (Int. At. Energy Agency), Vienna, IAEA-TEC-DOC-368, pp. 101-114.
27. Sanchez, A.L., Murray, J.W. and Sibley, T.H., 1985. The adsorption of plutonium IV and V on goethite. Geochim. Cosmochim. Acta, 49: 2297-2307.
28. Turner, D.R. and Knox, S., 1996. An equilibrium speciation model for neptunium, plutonium and americium in estuarine waters at 25°C. Geochim. Cosmochim. Acta, in press.
29. Whitney-King, D., Aldrich, R.A. and Charnecki, S.E., 1993. Photochemical redox cycling of iron in NaCl solutions. Mar. Chem., 44: 105-120.