Growth and characterization of compound crystal of magnesium sulphate heptahydrate and threonine

D.B. Mankad¹ , M.J. Joshi² , H.O. Jethva³

Section:Research Paper, Product Type: Journal-Paper
Vol.10 , Issue.3 , pp.42-48, Jun-2022

Online published on Jun 30, 2022

Copyright © D.B. Mankad, M.J. Joshi, H.O. Jethva . 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.
 

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Abstract :
In the present study, growth and various characterizations of compound crystal of magnesium sulphate heptahydrate (MSH) and threonine (THR) are reported. The crystal is grown by a slow solvent evaporation technique. This technique was taken up at the room temperature. After nearly 5 weeks, good quality, transparent and rod shape crystal is obtained.The crystal is characterized by elemental, FTIR, thermal, SHG and UV-Vis analysis. The various properties of the compound crystal are compared with the pure crystal of MSH and THR. The elemental analysis confirms the presence of atoms of pure MSH and THR in the grown compound crystal. The spectra generated from the FTIR dataset confirmed the presence of expected functional groups of MSH and THR in current compound crystal. The thermal analysis of compound crystal shows changes in the thermal profile of pure crystal of MSH and/or THR in terms of different hydrated phases and anhydrous phases. The SHG analysis shows an increase in the efficiency of compound crystal compared to pure THR crystal. The UV-Vis analysis shows the effect of formation of compound crystal in terms of decrease and increase in transparency % of pure crystal of MSH and THR, respectively. The bandgap energy is calculated from the Tauc’s plot, wherein, value of the same was found to increase, as compared to pure THR crystal. All the results are discussed.

Key-Words / Index Term :
MSH, THR, FTIR, thermal analysis, SHG, UV-Vis

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