SSSAJ -- Saha et al. 68 (4): 1197 Figure IG2

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Fig. 2. Difference Fourier transform infrared (FTIR) spectra between: hydroxyaluminum (HyA)-montmorillonite (Mt) and Mt (a), hydroxyaluminosilicate with Si/Al molar ratio = 0.24 (HAS1)-Mt and Mt (b), and hydroxyaluminosilicate with Si/Al molar ratio = 0.48 (HAS2)-Mt and Mt (c).