[1. King, J.C. (1987). The impact of separation science and technology on some key technological challenges facing society. In R. Price (Ed.), Separation and purification: Critical needs and opportunities. Washington, D. C., USA: National Academy Press.]Search in Google Scholar
[2. Nuclear Energy Agency with Working Party on Nuclear Criticality Safety and Expert Group on Assay Data of Spent Nuclar Fuel. (2011). Spent nuclear fuel assay data for isotopic validation. Organisation for Economic Co-operation and Development. NEA.]Search in Google Scholar
[3. International Atomic Energy Agency. (2007). Use of reprocessed uranium. In Technical Committee Meeting. Vienna, Austria: IAEA. (IAEA-TECDOC-CD-1630).]Search in Google Scholar
[4. Simpson, M. F., & Law, J. D. (2010). Nuclear fuel reprocessing. Idaho Falls, Idaho: Idaho National Laboratory. (INL/EXT-10-17753).10.2172/974763]Search in Google Scholar
[5. Kirby, H. W. (1959). The radiochemistry of protactinium. National Academy of Sciences National Research Council. (Nuclear Series, NAS-NS 3016).]Search in Google Scholar
[6. Rydberg, J., Musikas, C., Choppin, G. R., & Cox, M. (2004). Solvent extraction principles, and practices. 2nd ed. New York: Marcel Dekker.]Search in Google Scholar
[7. Multi-Agency Radiological Laboratory Analytical Protocols Manual. (2004). 14.4 Solvent Extraction. (NUREG-1576), (EPA 402-B-04-001A), (NTIS PB2004-105421).]Search in Google Scholar
[8. U. S. Department of Energy. (2011). Nuclear separations technologies workshop report: Getting from where we are to where we want to be in nuclear separations technologies. Bethesda, Maryland.]Search in Google Scholar
[9. Kumari, N., Pathak, P. N., Prabhu, D. R., & Manchanda, V. K. (2012). Solvent extraction studies of protactinium for its recovery from short-cooled spent fuel and high-level waste solutions in thorium fuel cycle using diisobutyl carbinol (DIBC) as extractant. Desalin. Water Treat., 38(1/3), 46-51. DOI: 10.5004/ DWT.2012.2292.]Search in Google Scholar
[10. Rampolla, D. S. (1982). U. S. Patent No. 4,344,912A. Method of increasing the deterrent to proliferation of nuclear fuels. U. S. Department of Energy.]Search in Google Scholar
[11. National Nuclear Data Center. (2015). Infomation extracted from the NuDat 2 database. http://www.nndc.bnl.gov/nudat2.]Search in Google Scholar
[12. Eppich, G. R., William, R. W., Gaffney, A. M., & Schorzman, K. C. (2013). U-235-Pa-231 age dating of uranium materials for nuclear forensic investigations. J. Anal. At. Spectrom., 28(5), 666-674. DOI: 10.1039/C3ja50041a.10.1039/c3ja50041a]Search in Google Scholar
[13. Trianti, N., Su’ud, Z., & Riyana, E. S. (2012). Design study of thorium-232 and protactinium-231 based fuel for long life BWR. In 3rd International Conference on Advances in Nuclear Science and Engineering. (1448, pp. 96-100).10.1063/1.4725442]Search in Google Scholar
[14. Imamura, T., Saito, M., Yoshida, T., & Artisyuk, V. (2004). Production of Pa-U fuel with proliferation resistance by 14 MeV neutron for long-life core. J. Nucl. Sci. Technol., 40(6), 655-664.10.1080/18811248.2004.9715530]Search in Google Scholar
[15. Tsvetkov, P. V., Kryuchkov, E. F., Shmelev, A. N., Apse, V. A., Kulikov, G. G., Masterov, S. V., Kulikov, E. G., & Glebov, V. B. (2011). Isotopic uranium and plutonium denaturing as an effective method for nuclear fuel proliferation protection in open and closed fuel cycles. In P. Tsvetkov (Ed.), Nuclear power - deployment, operation and sustainability (Chapter 14). Winchester, UK: InTech.]Search in Google Scholar
[16. Myasoedov, B. F., Kirby, H. W., & Tananaev, I. G. (2010). Protactinium. In L. R. Morss, N. M. Edelstein, & J. Fuger (Eds.), The chemistry of the actinide and transactinide elements. Vol. 1. Dordrecht, Netherlands: Springer.]Search in Google Scholar
[17. Berry, J. A., Hobley, J., Lane, S. A., Littleboy, A. K., Nash, M. J., Oliver, P., Smith-Briggs, J. L., & Williams, S. J. (1989). Solubility and sorption of protactinium in near-field and far-field environments of a radioactive waste repository. Analyst, 114, 339-347.10.1039/an9891400339]Search in Google Scholar
[18. Forbes, T. Z., Burns, P. C., Soderholm, L., & Skanthakumar, S. (2007). Hydrothermal synthesis and structure of neptunium(V) oxide. In D. Dunn, C. Poinssot, & B. Begg (Eds.), Scientific basis for nuclear waste management XXX, (Vol. 985, pp. 401-406). Cambridge, UK: Cambridge University Press.]Search in Google Scholar
[19. De Sio, S. M., & Wilson, R. E. (2014). Structural and spectroscopic studies of fluoroprotactinates. Inorg. Chem., 53(3), 1750-1755.10.1021/ic402877a]Search in Google Scholar
[20. Eskandari Nasab, M. (2014). Solvent extraction separation of uranium(VI) and thorium(IV) with neutral organophosphorus and amine ligands. Fuel, 116, 595-600.10.1016/j.fuel.2013.08.043]Search in Google Scholar
[21. Knight, A. W., Nelson, A. W., Eitrheim, E. S., Forbes, T. Z., & Schultz, M. K. (2015). A chromatographic separation of neptunium and protactinium using 1-octanol impregnated onto a solid phase support. J. Radioanal. Nucl. Chem. DOI: 10.1007/s10967-015-4124-3.10.1007/s10967-015-4124-3]Search in Google Scholar
[22. Hill, C. (2010). Overview of recent advances in An(III)/Ln(III) separation by solvent extraction. In B. Moyer (Ed.), Ion exchange and solvent extraction. (A Series of Advances, Vol. 19, pp. 119-193). Boca Raton: CRC Press.]Search in Google Scholar
[23. Box, G. E. P., Hunter, W. G., & Hunter, J. S. (1978). Statistics for experimenters: An introduction to design analysis and model building. New York: John Wiley and Sons.]Search in Google Scholar
[24. Schultz, M. K., Inn, K. G. W., Lin, Z. C., Burnett, W. C., Smith, G., Biegalski, S. R., & Filliben, J. (1998). Identification of radionuclide partitioning in soils and sediments: Determination of optimum conditions for the exchangeable fraction of the NIST standard sequential extraction protocol. Appl. Radiat. Isot., 49(9/11), 1289-1293.10.1016/S0969-8043(97)10062-8]Search in Google Scholar
[25. Currie, L. A. (1968). Limits for qualitative detection and quantitative determination. Anal. Chem., 40(3), 586-593.10.1021/ac60259a007]Search in Google Scholar
[26. Burnett, W. C., & Yeh, C. C. (1995). Separation of protactinium from geochemical materials via extraction chromatography. Radioact. Radiochem., 6(4), 22-32.]Search in Google Scholar
[27. Regelous, M., Turner, S. P., Elliot, T. R., Rostami, K., & Hawkesworth, C. J. (2004) Measurement of femtogram quantities of protactinium in silicate rock samples by multicollector inductively coupled plasma mass spectrometry. Anal. Chem., 76(13), 3584-3589.10.1021/ac030374l]Search in Google Scholar
[28. Knight, A. W., Eitrheim, E. S., Nelson, A. W., Nelson, S., & Schultz, M. K. (2014). A simple-rapid method to separate uranium, thorium, and protactinium for U-series age-dating of materials. J. Environ. Radioact., 134, 66-74.10.1016/j.jenvrad.2014.02.010]Search in Google Scholar
[29. Silva, A., Delerue-Matos, C., & Fiuza, A. (2005). Use of solvent extraction to remediate soils contaminated with hydrocarbons. J. Hazard. Mater., 124(1/3), 224-229.10.1016/j.jhazmat.2005.05.022]Search in Google Scholar
[30. Scherff, H. -L., & Herrmann, G. (1966). Ionic species of pentavalent protactinium in hydrochloric acid solutions. Radiochim. Acta, 6(2), 53-61.10.1524/ract.1966.6.2.53]Search in Google Scholar
[31. Casey, A. T., & Maddock, A. G. (1959). The chemistry of protactinium - some spectrophotometric observations. J. Inorg. Nucl. Chem., 10(1/2), 58-68.10.1016/0022-1902(59)80186-X]Search in Google Scholar
[32. Guillaumont, R., Muxart, R., Bouissieres, G., & Haissinsky, M. (1960). Spectres Dabsorption Du Protactinium En Solution Aqueuse. J. Chim. Phys. Phys.-Chim. Biol., 57(11/12), 1019-1028.10.1051/jcp/1960571019]Search in Google Scholar
[33. Hardy, C. J., Scargill, D., & Fletcher, J. M. (1958). Studies on protactinium(V) in nitric acid solutions. J. Inorg. Nucl. Chem., 7(3), 257-275.10.1016/0022-1902(58)80077-9]Search in Google Scholar
[34. Spitsyn, V. I., & Dyachkov, R. A. (1964). Concentrating 231Pa from uranium production waste. J. Nucl. Energy AB, 18(12PA), 731.10.1016/0368-3230(64)90128-4]Search in Google Scholar
[35. Hochberg, Y., & Tamhane, A. C. (1987). Multiple comparison procedures. New York: Wiley.10.1002/9780470316672]Search in Google Scholar
[36. Spitsyn, V. I., Dyachkov, R. A., & Khlebnikov, V. P. (1964). State of protactinium in nitrate solutions. Dokl. Akad. Nauk SSSR, 157(1), 135-138.]Search in Google Scholar
[37. Theil, H. (1971). Principles of econometrics. New York: John Wiley & Sons.]Search in Google Scholar
[38. Theil, H. (1961). Economic forecasts and policy. 2nd ed. Amsterdam: North-Holland Publ. Co.]Search in Google Scholar
[39. Anderson, M. J., & Whitcomb, P. J. (2007). DOE Simplified: Practical tools for effective experimentation. New York: Productivity.]Search in Google Scholar