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. 2021 Sep 22;13(19):3210. doi: 10.3390/polym13193210

Table 3.

FT-IR Spectrum of Pure PAX, RESV, Placebo, PAX, RESV PNPs and PAX-RESV PNPs.

Peak Position
PAX PAX PNPs RESV RESV PNPs PAX-RESV PNPs Inter-Atomic Bond
3504.77 3512.49 3602.29 3674.52 3464.27 O-H Stretching vibration of phenol (Free)
2945.40 2951.19 2899.68 3030.27 2883.68 C-H Stretching (alkane)
2359.02 2368.66 2240.52 2291.51 2393.74 S-H Stretching
1529.60 1649.19 1638.14 1695.49 1633.76 N-H Bending
1375.29 1230.43 1224.30 1147.68 1373.36 C-O Stretching (alcohols, phenols)
765.77 824.91 843.50 823.63 842.92 C-H Bending (aromatic)
1253.77 1253.90 920.08 979.87 1242.20 C = C aromatic stretch
- - 1432.54 1452.45 1438.94 O-H bending of phenols
1182.40 1034.221 1233.02 1234.48 1132.25 C-CO-C stretch and bending in ketone