Kozaderova, O.A., Sinyaeva, L.A. and Khukharkina, Y.S. 2025. Contact-difference method for measuring electrical conductivity in determination of the transport characteristics of heterogeneous ion-exchange membranes of different service life in an industrial electrodialyzer. Sorbtsionnye i Khromatograficheskie Protsessy. 25, 3 (Jul. 2025), 316-327. DOI:https://doi.org/10.17308/sorpchrom.2025.25/13043.