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Introduction, Basic Theory and Concepts

  • A. W. Nicol
  • V. I. Lakshmanan

Abstract

The analysis and characterisation of materials by physicochemical methods depends almost entirely on our ability to detect and measure the interaction between the substance under study and some form of electromagnetic radiation, and to relate this interaction to the various processes that can occur within the material. In general we may monitor either the emission of radiation from the material, as in emission spectroscopy, or the absorption of radiation by the material, as in absorption spectrography and thermal methods, or the conversion of one type of radiation into another, as in optical and X-ray fluorescence, or the diffraction of radiation, as in X-ray and electron diffraction. Spark source mass spectroscopy differs somewhat from the other techniques discussed herein, because the measured effect results from the interaction of charged particles with the magnetic field through which they move. The form of the interaction clearly varies for the different techniques which will be considered in other chapters, and it is the aim of this book not only to give an introduction to a group of the more important physicochemical methods currently available, but also to provide some of the theoretical background to the methods in the hope that this will permit a more reasoned and efficient use to be made of them.

Keywords

Electromagnetic Radiation Basic Theory Scintillation Counter Atomic Orbital High Energy State 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • A. W. Nicol
    • 1
  • V. I. Lakshmanan
    • 1
  1. 1.Department of Minerals EngineeringUniversity of BirminghamBirminghamEngland

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