Abstract
Two cobalt layer silicates were synthesized by hydrothermal treatment at 275‡C and 54 atm from corresponding stoichiometric coprecipitate of cobalt hydroxide and silica. From IR absorption spectra and X-ray diffraction patterns, one sample was proved to be cobalt montmorillonite [Co[3Si[2O[5 2(OH)2, while the structure of the other was cobalt antigorite [Co3Si2O5(OH)4] of one silica layer combined with an octahedral layer of the type Co3 2+ (OH)6.
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Sohn, J.R., Jeon, J.I. Synthesis and structure of cobalt layer silicate. Korean J. Chem. Eng. 6, 56–57 (1989). https://doi.org/10.1007/BF02698113
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DOI: https://doi.org/10.1007/BF02698113