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Title: X-ray diffraction and Fourier transform infrared spectra of the bricks of the Kamakhya temple
Authors: Sheikh, Md Raheijuddin
Barua, A Gohain
Keywords: Kamakhya bricks;XRD;Quartz;FTIR;Firing temperature
Issue Date: Nov-2013
Publisher: NISCAIR-CSIR, India
Abstract: The Kamakhya temple is a favoured destination for almost all the tourists visiting the north eastern part of India. Bricks obtained from both protected (old) and new sites of the Kamakhya temple have been analysed by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) techniques. XRD patterns of the bricks confirm quartz to be one of the constituents. Along with quartz, calcium aluminium silicate comes out as the maximum mineral composition in the sample from the old site, while other minor phases of calcium aluminium silicate and iron phosphate hydrate show their presence in the sample from the new site. The FTIR spectrum of the new site sample reveals an iron oxide band at 554 cm-1, which is absent in the spectrum of the one from the protected site. From this band as well as bands arising due to Si-O-Si stretching vibrations at 1038 and 1084 cm-1, the firing temperature of the bricks of both sites is estimated to be around 500°C.
Page(s): 745-748
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.51(11) [November 2013]

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