their passive permeability to anions decreases in the order : cns- greater than i- greater than ccl3co2- greater than br- greater than cl- greater than so4 ( 2 ) - greater than ch3co2- , hco3- , f- , po4 ( 3 ) - the permeability to hiocyanate being of the order of 10 ( -7 ) cm/s .
C0003075
anions
C0021966
i