[1] Univ Salford, Inst Mat Res, Salford M5 4WT, Lancs, England
[2] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England
[3] Ceske Vysoke Uceni Tech Praze, Fak Jaderna & Fyzikalne Inzenyrska, Brehova 78-7, Prague 11519 1, Czech Republic
[4] Sellafield, Seascale CA20 1PG, Cumbria, England
[5] Univ Helsinki, Lab Radiochem, Helsinki, Finland
[6] Sellafield, Natl Nucl Lab, Cent Lab, Seascale CA20 1PG, Cumbria, England
[7] Natl Nucl Lab, Chadwick House,Warrington Rd,Birchwood Pk, Warrington WA3 6AE, Cheshire, England
[8] Univ Manchester, Sch Earth Atmospher & Environm Sci, Oxford Rd, Manchester M13 9PL, Lancs, England
[9] Nottingham Trent Univ, Dept Chem & Forens, Erasmus Darwin Bldg,Clifton Campus, Nottingham NG11 8NS, England