NITRATE ION-SENSITIVE FIELD-EFFECT TRANSISTOR BASED ON BIS(BATHOCUPROIN)-COPPER(I) NITRATE DISSOLVED IN SOLID SOLVENTS

被引：7

作者：

HARA, H

TAKAHASHI, K

OHKUBO, H

机构：

[1] Department of Chemistry, Faculty of Education, Shiga University, Otsu, Shiga

来源：

ANALYTICA CHIMICA ACTA | 1994年 / 290卷 / 03期

关键词：

ION EXCHANGE; SENSORS; ION-SENSITIVE FIELD EFFECT TRANSISTORS; ISFET; NITRATE; MEMBRANE ELECTRODES; RAIN WATER; WATERS;

D O I：

10.1016/0003-2670(94)80119-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Nitrate-selective ion-sensitive field effect transistors (ISFETs) were prepared by dip-coating the silica gate insulator surface with an ion exchanger based on bis(bathocuproin)-copper(I) nitrate dissolved in a molten mixture of docosan-1-ol and triphenylphosphate. This sensor showed a linear response from 10(-1) mol dm(-3) to at least 10(-5) mol dm(-3) and maintained its response characteristics, for as long as 5 weeks. The selectivity sequence for common anions such as ClO4- and Cl- followed the conventional Hofmeister series. This sensor was applied to rain water analysis.

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页码：329 / 333

页数：5

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