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Title

Thermal and FTIR spectral studies of various proportions of zinc magnesium ammonium sulfate.

Authors

Madhurambal, G.; Mariappan, M.; Hariharan, S.; Ramasamy, P.; Mojumdar, S.

Abstract

Mixed crystals of various proportions of zinc magnesium ammonium sulfate were grown by slow evaporation of aqueous solution at room temperature. The bright and transparent crystals obtained were characterized through thermal (TG-DTA) and FTIR spectral analyses. A fitting decomposition pattern for the compound was formulated on the TG curve which shows two stage mass losses between 133 and 478.75 °C. DTA curve shows exothermic peaks in this temperature range supporting the formulated decomposition pattern. The FTIR spectra show the vibration frequencies due to the formation of zinc magnesium ammonium sulfate mixed crystals. Detailed structural analysis of the compound is under progress.

Subjects

FOURIER transform infrared spectroscopy; AMMONIUM sulfate; ZINC compounds; THERMAL analysis; CHEMICAL decomposition; AQUEOUS solutions; EVAPORATION (Chemistry); TEMPERATURE effect

Publication

Journal of Thermal Analysis & Calorimetry, 2013, Vol 112, Issue 2, p1031

ISSN

1388-6150

Publication type

Academic Journal

DOI

10.1007/s10973-013-3059-6

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