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Industrial Use and Applications of Ion Selective Electrodes

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Truman S. Light

Consultant in Analytical Chemistry and Instrumentation, Retired, The Foxboro Company, 4 Webster Road, Lexington, MA 02173-8222

J. Chem. Educ., 1997, 74 (2), p 171

DOI: 10.1021/ed074p171

Publication Date (Web): February 1, 1997

Section:

History, Education, and Documentation

Abstract

Industrial application parallels and follows the development of new analytical instrumentation. By 1969, the terminology had changed from "Specific Ion Electrodes" to "Ion-Selective Electrodes" (ISE's) and development efforts were underway to adapt these new laboratory tools for solving industrial process analytical problems and furnishing process control information.

Industrial analytical instruments differ from laboratory instruments in that operation must be continuous, be without operator attention and that extreme sampling and environment conditions may be encountered. Applications of ISE's to process analysis drew heavily on existing hardware and concepts for process pH measurement. Existing flow-through chambers, reference electrodes, ultrasonic and mechanical cleaners for dirty process solutions, differential cells, process titrators, reagent addition systems, differential cells and gas analyzers have been described and integrated with computers, monitors and process control systems. The problems of temperature compensation and computer corrections for interferences and impurities have been addressed. New developments such as introduction of ion selective field effect transistors (ISFET's) and Flow Injection Analysis (FIA)are suggested as having application in process measurements.

Some of the "behind the scenes" management plans and personalities that brought this field into existence are discussed.

Keywords (Audience):

General Public

Keywords (Domain):

Chemical Engineering

Keywords (Feature):

Waters Symposium

Keywords (Subject):

Electrochemistry

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

CO2 - Potentiometric Determination and Electrode Construction, a Hands-on Approach
Eduardo Cortón , Liliana Haim , Guillermo Locascio and Lydia Galagosky , Santiago Kocmur
Journal of Chemical Education1999 76 (9), 1253
- CO2 - Potentiometric Determination and Electrode Construction, a Hands-on Approach
  Eduardo Cortón , Liliana Haim , Guillermo Locascio and Lydia Galagosky , Santiago Kocmur
  Journal of Chemical Education1999 76 (9), 1253
  This work presents a hands-on activity in which the principles of gaseous equilibria and electrochemical potentials are applied to the construction of a carbon dioxide detector. The device is constructed using a combination pH electrode and a minimal ...
  Abstract | Hi-Res PDF | PDF w/ Links
Carrier-Based Ion-Selective Electrodes and Bulk Optodes. 2. Ionophores for Potentiometric and Optical Sensors
Philippe Bühlmann, Ernö Pretsch, and Eric Bakker
Chemical Reviews1998 98 (4), 1593-1688
- Carrier-Based Ion-Selective Electrodes and Bulk Optodes. 2. Ionophores for Potentiometric and Optical Sensors
  Philippe Bühlmann, Ernö Pretsch, and Eric Bakker
  Chemical Reviews1998 98 (4), 1593-1688
  Abstract | Full Text HTML | Hi-Res PDF