Yessilkanov Gani M. RussiaКурчатовInstitute for Radiation Safety and Ecology of the National Nuclear Center, Republic of Kazakhstan, East Kazakhstan region, Kurchatov, 071100, Beibit atom 2salmenbayev@nnc.kz Author's articles Isolation and radiochemical purification of samarium isotopes using ion exchange resins АВ 17×8 AND KU-2