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Paper Details

Synthesis and Characterization of Layered Double Hydroxides

B. Pethe, J.D. Mahale, T.R. Lawankar and D.T. Mahajan*

Journal Title:Journal of Chemical, Biological and physical sciences

Layered Double Hydroxides (LDH) of like Mg (II) Al-NO3 and Zn(II) Al-NO3 have been prepared by co-precipitation method. They have been characterized by elemental analysis, powder X-ray diffraction, FTIR spectroscopy, TG-DTG and scanning electron microscopy. The X-ray analysis shows that both the cations (M2+ and M3+) were located in same layer and only carbonates and water are in interlayer. 1H-NMR studies revealed that water and carbonates are perpendicular to the layer. TGA analysis indicates formation of stable Mg-Al and Zn-Al metal oxides at 750C. Various stoichiometric conditions have also been used for the synthesis of compounds.