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Magnetic and Electrical Separation

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Mineral Processing

Abstract

The scientific understanding of the nature of magnetic force appears to have started early in this century with the work of Langevin, in France. He explained diamagnetism and paramagnetism in terms of orbiting electrons. Another French physicist, Pierre Weiss, followed closely with a qualitative hypothesis for ferro-magnetic behaviour. This was based on the assumption that suitable atoms behave as though they were tiny bar magnets which could be influenced so that they became aligned and acted as a single large magnet. He introduced the idea of the “domain” which today bases the theory of ferro-magnetism. In this, iron is considered to be composed of numerous small magnetized regions or domains, each containing millions of Fe atoms. If, as the result of external force these domains become aligned, the iron is magnetized.

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Authors and Affiliations

  1. University of London, UK

    E. J. Pryor A.R.S.M., D.SC, D.I.C., M.I.M.M. (formerly Reader in Mineral Dressing)

Authors
  1. E. J. Pryor A.R.S.M., D.SC, D.I.C., M.I.M.M.
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© 1965 Elsevier Publishing Company Limited

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Pryor, E.J. (1965). Magnetic and Electrical Separation. In: Mineral Processing. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2941-4_19

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  • DOI: https://doi.org/10.1007/978-94-010-2941-4_19

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-2943-8

  • Online ISBN: 978-94-010-2941-4

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