Chapter 7. Chemical Ionization

  1. J. Throck Watson Professor1 and
  2. O. David Sparkman Adjunct Professor2

Published Online: 20 JUN 2008

DOI: 10.1002/9780470516898.ch7

Introduction to Mass Spectrometry: Instrumentation, Applications and Strategies for Data Interpretation, Fourth Edition

Introduction to Mass Spectrometry: Instrumentation, Applications and Strategies for Data Interpretation, Fourth Edition

How to Cite

Watson, J. T. and Sparkman, O. D. (2007) Chemical Ionization, in Introduction to Mass Spectrometry: Instrumentation, Applications and Strategies for Data Interpretation, Fourth Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470516898.ch7

Author Information

  1. 1

    Michigan State University, East Lansing, Michigan, USA

  2. 2

    College of the Pacific, University of the Pacific, Stockton, California, USA

Publication History

  1. Published Online: 20 JUN 2008
  2. Published Print: 5 OCT 2007

ISBN Information

Print ISBN: 9780470516348

Online ISBN: 9780470516898

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Keywords:

  • chemical ionization (CI) and ionization source;
  • atmospheric pressure chemical ionization (APCI);
  • desorption chemical ionization (DCI);
  • CI positive- and negative-ion formation;
  • analyte proton affinities;
  • functional-group interaction;
  • resonant electron capture negative ionization (ECNI);
  • ECNI mass spectra;
  • charge-exchange ionization mass spectrometry

Summary

This chapter contains sections titled:

  • Introduction

  • Description of the Chemical Ionization Source

  • Production of Reagent Ions from Various Reagent Gases

  • Positive-Ion Formation Under CI

  • Negative-Ion Formation under CI

  • Data Interpretation and Systematic Studies of CI

  • Ionization by Charge Exchange

  • Atmospheric Pressure Chemical Ionization

  • Desorption Chemical Ionization

  • General Applications

  • Concluding Remarks

  • References