Synthesis of Metal Hydroxide-Layer Silicate Intercalation Compounds (Metal = Mg(II), Ca(II), Mn(II), Fe(II), Co(II), Ni(II), Zn(II), and Cd(II))

Layer silicate intercalation compounds with metal(II) hydroxide (metal(II) = Mg, Ca, Mn, Fe, Co, Ni, Zn, and Cd) are prepared by adding a base into the metal salt solutions containing layer silicates with cation-exchange properties. The preparation procedures for the intercalates with manganese(II), iron(II), and cobalt(II) hydroxides are conducted under oxygen-free conditions. The hydroxides of these metal cations can crystallize with the cadmium iodide layer structure; the basic unit layer of these metal hydroxides is intercalated into the two-dimensional silicate interlayer region.