Carbonate phobic (Zn,Mn)-Al hydrotalcite-like compounds |
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| Institution: | 1. Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, A.P. 70360, Ciudad Universitaria, C.P. 04510 México, D.F., Mexico;2. Facultad de Ciencias Químicas, Universidad Autónoma de Puebla, Blvd. 14 Sur y Av. San Claudio, C.P. 72570 Puebla, PUE, Mexico |
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| Abstract: | The synthesis method of three series of nitrated (Zn,Mn)-Al hydrotalcites in the presence of microwave irradiation is presented. MnO4− anions were partially incorporated between the layers of those compounds and a staged intercalation occurred. In the presence of CO2, nitrated and permanganate intercalated hydrotalcites were tested in CO32− retention. Carbonate phobic character was observed and it may be correlated to the poor basicity of hydrotalcites, thus, to the electronegativity of M2+ cations. |
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