有关阴离子选择性的氧化钒（IV）杂杂环配合物的离子特性

IF 1.4 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Chemistry Letters Pub Date : 2024-01-03 DOI:10.1093/chemle/upad058

Takayo Moriuchi-Kawakami, A. Higashikado, Masanari Hirahara, K. Fujimori, Toshiyuki Moriuchi

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引用次数: 0

摘要

以杂茂环化合物的氧钒(IV)络合物为碘化物选择性电极（ISE）的新型离子体，制备了高选择性聚氯乙烯（PVC）膜电极，其成分包括聚氯乙烯（28.1 wt%）、增塑剂（69.3 wt%）、离子体（2.6 wt%）和阳离子排除剂（相对于离子体为 15 mol%）。研究发现，在 5.0×10-7 至 2.1×10-2 M 的宽浓度范围内，所制备的四苯基卟啉氧钒电极具有最佳灵敏度，其 Nernstian 响应为 -59.02 mV/10，对 I- 离子的离子选择性最高，而对高氯酸盐离子的离子选择性最低（I-/ClO4- = 91）。

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Ionophoric Properties of Oxovanadium(IV) heteromacrocyclic complexes about the Anion-selectivity

Highly selective poly(vinyl chloride) (PVC) membrane electrodes based on oxovanadium(IV) complexes of heteromacrocycle compounds as new ionophores for iodide-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 prepared electrode on oxovanadium(IV) tetraphenyl porphyrin with o-NPOE as the membrane solvent and TDDACl as the cation excluder was found to exhibit the best sensitivity over a wide concentration range of 5.0×10–7 to 2.1×10–2 M with a Nernstian response of –59.02 mV per decade and the highest ion-selectivity toward the I– ions over perchlorate ions (I–/ClO4– = 91).

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来源期刊

Chemistry Letters 化学-化学综合

CiteScore

3.00

自引率

6.20%

发文量

260

审稿时长

1.2 months

期刊介绍： Chemistry Letters covers the following topics: -Organic Chemistry- Physical Chemistry- Inorganic Chemistry- Analytical Chemistry- Materials Chemistry- Polymer Chemistry- Supramolecular Chemistry- Organometallic Chemistry- Coordination Chemistry- Biomolecular Chemistry- Natural Products and Medicinal Chemistry- Electrochemistry