ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Preeti Soni, Shweta Vyas

Email(s): shwetavyas528@gmail.com

DOI: 10.52711/0974-4150.2022.00040   

Address: Preeti Soni, Shweta Vyas*
Department of Pure and Applied Chemistry, University of Kota, Kota324005, Rajasthan, India.
*Corresponding Author

Published In:   Volume - 15,      Issue - 3,     Year - 2022


ABSTRACT:
X-Ray diffraction (XRD) technique is a prominent and nondestructive tool, used for the determination of crystallographic structure of any material. The technique follows the Brag’s Law and measures the intensities and scattering angles of the X-rays that leave the material to provide information on phases, preferred crystal orientations, crystal defects, crystallinity, and many other parameters. Crystallinity Index (CI), which is a quantitative indicator of crystallinity of any material, can also be calculated using XRD data and applying Segal’s method. In the present study, XRD patterns of Alkali/Acid treated soya-hulls are recorded and used for the calculation of CI. Results indicated wide variation of CI ranging from 22%-76% with lowest value for sodium hydroxide treated and highest for ascorbic acid treated soya hulls which may be due to maximum removal of hemicelluloses and amorphous lignin type structure. This study reveals that organic acids which are more eco-friendly can work better to increase CI and cellulose content of any lignocellulosic waste biomaterials like soya hulls for the application in composite and nanocomposites material synthesis.


Cite this article:
Preeti Soni, Shweta Vyas. Studies on X-Ray Diffraction (XRD) patterns of Soya-hulls for Interpretation of Crystallinity Index. Asian Journal of Research in Chemistry. 2022; 15(3):225-7. doi: 10.52711/0974-4150.2022.00040

Cite(Electronic):
Preeti Soni, Shweta Vyas. Studies on X-Ray Diffraction (XRD) patterns of Soya-hulls for Interpretation of Crystallinity Index. Asian Journal of Research in Chemistry. 2022; 15(3):225-7. doi: 10.52711/0974-4150.2022.00040   Available on: https://ajrconline.org/AbstractView.aspx?PID=2022-15-3-9


REFERENCES:
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2.    Britannica, T. Editors of Encyclopaedia. "Bragg law." Encyclopedia Britannica, December 30, 2016. https://www.britannica.com/science/Bragg-law
3.    Mariño M, Lopes da Silva L, Durán N, Tasic L., Enhanced materials from nature: nanocellulose from citrus waste, Molecules,2015;20(4):5908-5923.   https://doi.org/10.3390/molecules20045908
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5.    L. Segal, J. J. Creely, A. E. Jr. Martin, and C. M. Conrad. An Empirical Method for Estimating the Degree of Crystallinity of Native Cellulose using X-ray Diffractometer, Tex. Res. J. 29,1959, 786-794.
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