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Practical Laboratory Skills Training Guides: Measurement of pH Author: Richard Lawn


About this book

Whether pH is being used to test a sample against a legal requirement or specification; as part of an analytical method; for monitoring and controlling a reaction; as a process control in the chemical industry; or for the environmental monitoring of waste and effluents, it is important that all pH measurements are carried out in a logical and consistent manner, paying careful attention to experimental procedures, in order to obtain reliable results. This guide provides scientists with the knowledge of how to do just that, first by outlining the principles of pH measurement and buffer solutions. pH meters and electrodes are then discussed, including selection criteria and the care of electrodes. Finally, sections on making pH measurements and uncertainty are followed by a set of practical exercises. Measurement of pH is one of the Practical Laboratory Skills Training Guides, a series that aims to make achieving best practice easy. These invaluable manuals will enable both experienced and inexperienced staff to get the essential basics of any experiment right simply by following the clear and easy to use instructions provided. The guides are written by experienced scientists and include minimal theory, plenty of practical exercises in order to assess competence, and trouble shooting information. Other titles are: Measurement of Mass; Measurement of Volume; High Performance Liquid Chromatography; and Gas Chromatography.

Book content

  • What is pH?
  • Why is pH measured?
  • Principles underlying the measurement of pH
  • Buffer materials with reference pH values
  • pH meters
  • pH electrodes
  • Care of pH electrodes
  • Selection of a pH electrode for a particular application
  • Making pH measurements
  • Uncertainty of pH measurements using a glass electrode
  • The use of indicator papers to measure pH
  • Practical exercises.
This book is print only

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This book contains 18 pages.

Publication details

Print publication date: 27 Jan 2003
Copyright year: 2003
Print ISBN: 978-0-85404-473-3