%0 Journal Article %A S. Yu. Elovich %A V. N. Prusakov %T Radiometric study of the chromatography of two- and three-valent ions within a concentration range of $10^{-1}$ до $10^{-9}$ n %J Doklady Akademii Nauk %D 1957 %P 684-687 %V 112 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_4_a29/ %G ru %F DAN_1957_112_4_a29