In potentiometry we measure the potential of an electrochemical cell under static conditions. Because no current—or only a negligible current—flows through the electrochemical cell, its composition re...In potentiometry we measure the potential of an electrochemical cell under static conditions. Because no current—or only a negligible current—flows through the electrochemical cell, its composition remains unchanged. For this reason, potentiometry is a useful quantitative method of analysis.
The spectroscopic techniques in the chapters that follow use instruments that share several common basic components: a source of energy, a means for holding the sample of interest to us, a device that...The spectroscopic techniques in the chapters that follow use instruments that share several common basic components: a source of energy, a means for holding the sample of interest to us, a device that can isolate a narrow range of wavelengths, a detector for measuring the signal, and a signal processor that displays the signal in a form convenient for the analyst.