Letter | Published:

Structure of Ion-exchange Membranes

Naturevolume 212page394 (1966) | Download Citation



ARTIFICIAL membranes for ion-exchange purposes have hitherto been selected on an empirical basis only, and few attempts have been made to characterize them physically. Current theories of the structure of this type of membrane, together with some discussion of appropriate methods of investigation, have recently been summarized1.

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  1. 1

    Block, M., New Scient., 18, 254 (1963).

  2. 2

    Morgan, T. D., Demineralisation by Electrodialysis, edit. by Wilson, J. R. (Butterworth, London, 1960).

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    Tsunoda, Y., Asahi Chem. Ind., Ltd. (personal communication).

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    Seko, M., Dechema Monogr., 47, 575 (1962).

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    Crabtree, J. M., and Glueckauf, E., Trans. Farad. Soc., 59, 2639 (1963).

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    Block, M., thesis, Univ. London (1964).

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    Luft, J., J. Biophys. Biochem. Cytol., 9 (1960).

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    Bradley, D. E., Techniques for Electron Microscopy, 82, edit. by Kay, D. (Blackwell, Oxford, 1961).

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    Bradley, D. E., J. App. Phys., 8, 150 (1957).

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    Pohlmann, G., Z. Wiss. Mikr., 65, 118 (1961).

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    • M. BLOCK

    Present address: Vokes, Ltd., Guildford, Surrey


  1. Department of Chemical Engineering and Chemical Technology

    • A. E. B. PRESLAND
  2. Department of Botany

  3. Department of Mineral Technology, Imperial College of Science and Technology, London, S.W.7.

    • M. BLOCK


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