%0 Journal Article %T thorium(IV), sorbent, sorption, desorption, clay %A Bahmanova, F.. %A Hajiyeva, S.. %A Chyragov, F.. %K Application of chelate forming sorbent containing fragments of 4-amino - thiouracil for sorption extraction of thorium(IV) from clay %J Vestnik of Astrakhan State Technical University %D 2021 %N 2021 %P 6 %I Astrakhan State Technical University