Electrodes in Potentiometry

Free Metrohm Monograph about Electrodes: Electrode Types and Treatment

This tutorial is primarily intended for training purposes but can also, of course, be used to advantage in any laboratory. It is intended to explain the theory in a simple manner and to give an overview of the different types of electrodes, how to enlarge their lifetime, troubleshooting for measurements and tips for your daily work.

The monograph is available in English, Spanish, French and German.

Order your free copy at your local Metrohm distributor or online !

Table of contents

1. Basics of potentiometric measurements

2. Ion-selective electrodes (ISE)

2.1 Basics and overview

2.2 pH glass electrodes

Problems with glass electrodes?
Care of pH glass electrodes

2.3 Surfactant electrodes

3 Redox electrodes

Selecting redox electrodes
Care of redox electrodes
Problems with redox electrodes?

4 Ag metal electrodes

Care of Ag metal electrodes

5 Reference electrodes

Diaphragm (Liquid junction)
Problems with the diaphragm?
Electrode with bridge electrolyte (Double junction)
Diffusion potential
Reference systems

6 Which electrode for which application?

7 Literature

8 Index