[1] Sci & Tech Ctr Radiochem & Isotope Prod, Ibragimov 1 St, Alma Ata 050032, Kazakhstan
[2] Republican State Enterprise Inst Nucl Phys, Ibragimov 1 St, Alma Ata 050032, Kazakhstan
[3] Al Farabi Kazakh Natl Univ, Fac Chem & Chem Technol, Al Farbi 71 St, Alma Ata 050040, Kazakhstan
[4] Univ Oslo, Dept Chem, N-1033 Oslo, Norway