Anion-selective electrodes based on dissociated ion-exchangers such as lipophilicquaternary ammonium or phosphonium species always display classical Hofmeister be-havior in the following order: ClO<sub>4</sub...Anion-selective electrodes based on dissociated ion-exchangers such as lipophilicquaternary ammonium or phosphonium species always display classical Hofmeister be-havior in the following order: ClO<sub>4</sub><sup>-</sup>】SCN<sup>-</sup>】I<sup>-</sup>】Br<sup>-</sup>】NO<sub>2</sub><sup>-</sup>】Cl<sup>-</sup>】SO<sub>4</sub><sup>2-</sup>.A new sol-vent polymeric membrane electrode based on Schiff base complexes of Co（Ⅱ）[Co（Ⅱ）S]and showing excellent selectivity toward iodide ion is for the first time prepared inour work. The resulting electrodes exhibit fairly low detection limits andpotentiometric anion-selectivity sequences deviated from the Hofmeister pattern.Bis（salicylaldehyde） ethylenediiminecobalt（Ⅱ） [Co（Ⅱ）（salen）], bis（salicylaldehyde）-phenyldiiminecobalt（Ⅱ） [Co（Ⅱ）（salophen）],展开更多
基金National Natural Science Foundation of ChinaElectroanalytical Chemistry Laboratory, Changchun Institute of Applied Chemistry, Academia Sinica.
文摘Anion-selective electrodes based on dissociated ion-exchangers such as lipophilicquaternary ammonium or phosphonium species always display classical Hofmeister be-havior in the following order: ClO<sub>4</sub><sup>-</sup>】SCN<sup>-</sup>】I<sup>-</sup>】Br<sup>-</sup>】NO<sub>2</sub><sup>-</sup>】Cl<sup>-</sup>】SO<sub>4</sub><sup>2-</sup>.A new sol-vent polymeric membrane electrode based on Schiff base complexes of Co（Ⅱ）[Co（Ⅱ）S]and showing excellent selectivity toward iodide ion is for the first time prepared inour work. The resulting electrodes exhibit fairly low detection limits andpotentiometric anion-selectivity sequences deviated from the Hofmeister pattern.Bis（salicylaldehyde） ethylenediiminecobalt（Ⅱ） [Co（Ⅱ）（salen）], bis（salicylaldehyde）-phenyldiiminecobalt（Ⅱ） [Co（Ⅱ）（salophen）],
