this process had a higher affinity for cl ( kcl = 94 mm ) than for na ( kna = 155 mm ) , maximally transported twice as much cation as anion ( jna max = 1.6 ; jcl max = 0.75 mumol-cm-2-h-1 ) , and exhibited identical hill interaction indices for both ions nna = 3.4 ;
C0007447
cation
C0022023
ions