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. 2023 Oct 4;8(41):38243–38251. doi: 10.1021/acsomega.3c04570

Table 1. FTIR Representative Wavenumber and Band Assignment (ND = Not Detected).

components wavenumber (cm–1)
  stretching of O–H bond stretching of CH2 bond stretching of C=O bond bending of CH2 bond bending of CH3 stretching of C–O bond
ChCl 3675 3210 ND 1479 1054 ND
CA 3606 3384 1736 1366 ND 1214
eutectic system 2924 2622 1722 1482 952 1172