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It has been found that after 300 h of operation of AMX and AMX-Sb anion-exchange membranes (Astom, Japan) in overlimiting current regimes in the process of electrodialysis desalination of 0.02 M NaCl, NH4Cl, NaH2PO4, and KC4H5O6 (KHT) solutions, the limiting currents, $$i_{{\lim }}^{{\exp }}$$ , determined by graphic processing of current–voltage curves increase in the order NaCl < NaH2PO4 <...