Michael Rajamathi
Articles written in Bulletin of Materials Science
Volume 23 Issue 2 April 2000 pp 141-145 Thermal Properties
Thermal behaviour of hydroxides, hydroxysalts and hydrotalcites
Parthasarathi Bera Michael Rajamathi M S Hegde P Vishnu Kamath
Mass spectrometric analysis of gases evolved during thermal decomposition of divalent metal hydroxides, hydroxysalts and hydrotalcites show that all these compounds undergo dehydration in the temperature range 30 <
Volume 23 Issue 5 October 2000 pp 355-359
Michael Rajamathi P Vishnu Kamath
The hydroxides of Mg, Ni, Cu and Zn transform into layered double hydroxide (LDH)-like phases on ageing in solutions of Al or Cr salts. This reaction is similar to acid leaching and proceeds by a dissolution-reprecipitation mechanism offering a simple method of LDH synthesis, with implications for the accepted theories of formation of LDH minerals in the earth’s crust.
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