alexa IR spectra of manganese oxides with either layered or tunnel structures.
Chemistry

Chemistry

Journal of Environmental Analytical Chemistry

Author(s): Kang L, Zhang M, Liu ZH, Ooi K

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Abstract Four kinds of manganese oxides with either layered or tunnel structures were prepared by different methods. The structural features of the prepared materials were characterized by power X-ray diffraction, IR spectra and SEM observation. A compare analysis of IR spectra for these materials before and after the acid treatment was carried out. Band around 761 cm(-1) could be assigned to a characteristic adsorbent band of tunnel-type manganese oxides; while it was not observed in layer-type manganese oxides. After the acid treatment, the position and relative intensity of the bands in 300-1200 cm(-1) region showed an obvious change for layered manganese oxides in compare with tunnel-type manganese oxides. The variation of IR spectra could be used to distinguish layered manganese oxides from tunnel manganese oxides. This article was published in Spectrochim Acta A Mol Biomol Spectrosc and referenced in Journal of Environmental Analytical Chemistry

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