“…3a) were 3374 cm −1 (OH, GC), 2947–2881 cm −1 (CH, SDS), 1652 cm −1 (CO, PVP), 1278 cm −1 (CN, PVP), 1241 cm −1 (SO, SDS), 961–1096 cm −1 (COH and CO, GC), and of 18‐4‐5 (Run No. 3b) were 3269 cm −1 (OH, DEG), 2884–2861 cm −1 (CH, SDS), 1241 cm −1 (SO, SDS), 1106 cm −1 (COH, PEG8000) 50–55 …”