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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/113/05-06/0671-0680

    • Keywords

       

      Anionic clays; hydrotalcite; layered double hydroxides

    • Abstract

       

      Together with hydrotalcite-like layered double hydroxides, bivalent and trivalent metal hydroxides and their hydroxy salts are actually anionic clays consisting of positively charged hydroxide layers with anions intercalated in the interlayer region. The anionic clays exhibit anion sorption, anion diffusion and exchange properties together with surface basicity making them materials of importance for many modern applications. In this article, we discuss many different ways of making anionic clays and compare and contrast the rich diversity of this class of materials with the better-known cationic clays.

    • Author Affiliations

       

      Michael Rajamathi1 Grace S Thomas1 P Vishnu Kamath1

      1. Department of Chemistry, Central College, Bangalore University, Bangalore - 560 001, India

    • Dates

       
      Published
      12 October 2001

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