Oxovanadium(IV) heteromacrocyclic complexes as ionophores for iodide-selective electrodes

被引：0

作者：

Moriuchi-Kawakami, Takayo ^{[1
]}

Higashikado, Akihisa ^{[1
]}

Hirahara, Masanari ^{[1
]}

Fujimori, Keiichi ^{[1
]}

Moriuchi, Toshiyuki ^{[2
]}

机构：

[1] Osaka Inst Technol, Fac Engn, Dept Appl Chem, 5-16-1 Omiya, Asahi, Osaka 5358585, Japan

[2] Osaka Metropolitan Univ, Grad Sch Sci, Dept Chem, 3-3-138 Sugimoto,Sumiyoshi Ku, Osaka 5588585, Japan

来源：

CHEMISTRY LETTERS | 2024年 / 53卷 / 04期

关键词：

iodide ions; ion-selective electrodes; oxovanadium(IV) complexes; MEMBRANE ELECTRODES; POTENTIOMETRIC SELECTIVITY; MOLECULAR-STRUCTURE; BULK OPTODES; PORPHYRINS; THIOCYANATE; DERIVATIVES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly selective poly(vinyl chloride) (PVC) membrane electrodes, based on oxovanadium(IV) complexes of heteromacrocyclic compounds as new iodide-selective ionophores for ion-selective electrodes (ISEs), were fabricated with a composition of PVC (28.1 wt%), plasticizers (69.3 wt%), ionophores (2.6 wt%), and cation excluders (15 mol% relative to the ionophore). The electrode prepared from oxovanadium(IV) tetraphenyl porphyrin with 2-nitrophenyl octyl ether (o-NPOE) as the membrane solvent and tetradodecylammonium chloride (TDDACl) as the cation excluder was found to exhibit the best sensitivity over a wide concentration range from 5.0 x 10-7 to 2.1 x 10-2 M with a Nernstian response of -59.02 mV per decade and the highest ion-selectivity toward I- ions over perchlorate ions (I-/ClO4- = 91). Graphical Abstract Heteromacrocyclic complexes of vanadium(IV) oxide were developed as ionophores for ionselective electrodes (ISEs). The ISE based on oxovanadium(IV) tetraphenyl porphyrin using o-NPOE as the membrane solvent and TDDACl as the cation excluders was found to exhibit the best sensitivity toward the I- ions over a wide concentration range with a Nernstian response and the highest ion-selectivity toward the I- ions over perchlorate ions.

引用

页数：5

共 46 条

[1]

Akinori J., 1974, Bull. Chem. Soc. Jpn, V47, P2862

[2]

Ales H., 1989, Anal. Chem, V61, P1169

[3] A generalized model for apparently "non-Nernstian" equilibrium responses of ionophore-based ion-selective electrodes.: 1.: Independent complexation of the ionophore with primary and secondary ions [J].