SynopsisThe infrared spectra of alkaline jute stick have been discussed and compared to that of untreated and control sample. A higher shift in the 0 -H and lower shift in the C-H stretching frequencies were observed in alkaline sample. The presence of a strong band at 1440-1430 cm-' may be due to the coupling of COO-frequency with CH2 deformation frequency. The C -0 stretching mode at 1240 cm-' disappears on alkaline treatment with the formation of new peaks at 1265 and 1225 cm-'. The P-glucosidic band at 895 cm-' is shifted to 880 cm-' with doubled intensity in alkaline jute stick.
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