Basic regularities of electrolyte separation in the method of Acid Retardation. I. Influence of cation type on the sorption of acids and their salts from binary solutions

Abstract

The influence of the type of metal cation on acid retardation and salt sorption is studied by the
examples of separation of binary mixes: nitric acid - nitrate of metal, on the nitric form of anionexchanger
AV-17. The sorption capacity of anionic resin toward acid is shown to be essentially
dependent on the nature of the "concomitant" cation presenting in solution. At other equal conditions, as
it is established, the higher is the charge of a concomitant cation, the stronger is its positive impact on the
capacity for acid. For cations with the same charge, the amount of sorbed acid increases with decreasing
the ionic radii of metals .