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E-Journal of Chemistry
Volume 7, S1, Pages S121-S126
http://dx.doi.org/10.1155/2010/518510

X-Ray and Thermal Studies on ZnxMg1-x SO4.7H2O Crystals

P. Sumithraj Premkumar and X. Sahaya Shajan

Centre for Scientific and Applied Research, School of Basic Engineering and Sciences, PSN College of Engineering and Technology, Melathediyoor, Tirunelveli-627152, India

Received 19 February 2010; Accepted 1 May 2010

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Single crystals of pure and mixed ZnSO4.7H2O and MgSO4.7H2O crystals were grown by slow evaporation method. The grown crystals were characterized by x-ray diffraction, atomic absorption spectral analysis and thermal analysis. The lattice parameters were calculated by from the XRD data. Atomic absorption spectral analysis showed that the Mg and Zn atoms were present in the mixed crystals. The thermal analysis by TGA and DTA showed that the mixed crystals have higher thermal stability than the pure crystals.