Chapter 4. Preparing for Analysis

  1. Elizabeth Prichard B.Sc., Ph.D., FRSC, CChem. Senior Research Fellow Associate Professor Government Chemist editor staff professional analyst partner and
  2. Vicki Barwick B.Sc Government Chemist analyst Project Manager co-authored

Published Online: 5 NOV 2007

DOI: 10.1002/9780470517772.ch4

Quality Assurance in Analytical Chemistry

Quality Assurance in Analytical Chemistry

How to Cite

Prichard, E. and Barwick, V. (2007) Preparing for Analysis, in Quality Assurance in Analytical Chemistry, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470517772.ch4

Author Information

  1. LGC, Teddington, UK

Publication History

  1. Published Online: 5 NOV 2007
  2. Published Print: 24 AUG 2007

Book Series:

  1. Analytical Techniques in the Sciences

Book Series Editors:

  1. David J. Ando

Series Editor Information

  1. Dartford, Kent, UK

ISBN Information

Print ISBN: 9780470012031

Online ISBN: 9780470517772



  • choice of analytical method;
  • ‘fitness for purpose’;
  • method validation;
  • quantitative methods;
  • repeatability and reproducibility;
  • thin layer chromatography (TLC);
  • liquid and gas chromatography;
  • ‘paired comparisons’


This chapter contains sections titled:

  • Selecting the Method

  • Sources of Methods

  • Factors to Consider when Selecting a Method

  • Performance Criteria for Methods Used

  • Reasons for Incorrect Analytical Results

  • Method Validation

  • References

  • Appendix: Layout for Method Documentation