A NEW DOUBLE-JET CELL FOR FAST ION-SENSITIVE ELECTRODES

被引：10

作者：

ATTARI, M ^{[1
]}

FABRY, P ^{[1
]}

MALLIE, H ^{[1
]}

QUEZEL, G ^{[1
]}

机构：

[1] UJFG,MICRO INFORMAT & ELECTRON GRENOBLE,INSTRUMENTAT LAB,GRENOBLE,FRANCE

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 15卷 / 1-3期

关键词：

D O I：

10.1016/0925-4005(93)85045-C

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A double-jet system has been chosen to study the transient response of Na+ fast ion-sensitive membranes such as NASICON (Na1+xZr2SixP3-xO12). The Na+ solutions are thrown by a neutral gas onto the membrane. To avoid the residual drop at the ISE/reference electrode contact, two reference electrodes are used, one in each solution. The system is driven by a microcomputer. Comparisons between an Na+-glass membrane and NASICON have shown a difference of one order of magnitude on the response time values. A potential overshoot phenomenon is observed on the glass membrane during the K+ interference experiment which does not appear significantly with NASICON. This point may be important in biological applications where there is competition between K+ and Na+ ions.

引用

页码：173 / 178

页数：6

共 17 条

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