The isfet in analytical chemistry

B.H. van der Schoot, P. Bergveld, M. Bos, L.J. Bousse

Research output: Contribution to journalArticleAcademic

19 Citations (Scopus)
90 Downloads (Pure)

Abstract

The fast chemical response of the pH-ISFET makes the device an excellent detector in analytical chemistry. The time response of ISFETs, with Al2O3 at the pH-sensitive gate insulator, is determined in a flow injection analysis system. Application of an ISFET and a glass electrode are compared in rapid acid-base titrations and in a coulometric system for stable pH control. Finally, a method is described that combines both the stability of the glass electrode and the fast response of the ISFET.
Original languageEnglish
Pages (from-to)267-272
JournalSensors and actuators
Volume4
DOIs
Publication statusPublished - 1982

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