The isfet in analytical chemistry


Schoot, B.H. van der and Bergveld, P. and Bousse, L.J. (1982) The isfet in analytical chemistry. Sensors and Actuators, 4 . pp. 267-272. ISSN 0250-6874

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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.
Item Type:Article
Copyright:© 1982 Elsevier Science
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