87.2 Conductivity and its application Influential factors for 1)Nature of ions Ions I r/nm 102 am Ions r/nm 10 3.4982 OH Lit 0.68 0.387 FCB 0.554 Nat 0.98 0.501 181 0.763 K+ 1.37 0.735 1.96 0.784 Mg2+ 0.74 1.061 CO32- 1.66 Ca2+ 104 1.190 cO 1.48 104 1.189Fe(CN)3- 3.030 A+ 0.57 189 fe(cn)6 4.420 F 0.67 2.04 L 1.04 2.09 Charge; Radius; charge character; transfer mechanismions r / nm 102 ions r / nm 102 H+ − 3.4982 OH¯ − 1.98 Li+ 0.68 0.387 F¯ 1.23 0.554 Na+ 0.98 0.501 Cl¯ 1.81 0.763 K+ 1.37 0.735 Br¯ 1.96 0.784 Mg2+ 0.74 1.061 CO3 2− − 1.66 Ca2+ 1.04 1.190 C2O4 2− − 1.48 Sr2+ 1.04 1.189 Fe(CN)6 3− − 3.030 Al3+ 0.57 1.89 Fe(CN)6 4− − 4.420 Fe3+ 0.67 2.04 La3+ 1.04 2.09 1) Nature of ions Charge; Radius; charge character; transfer mechanism Influential factors for m  m  m  §7.2 Conductivity and its application