Table 7 FT-IR band assignment40,73

From: Toward mechanistic understanding of wettability alteration in carbonate rocks in the presence of nanoparticles, gelatin biopolymer, and core-shell nanocomposite of Fe3O4@gelatin

 

Wave Number (cm− 1)

Functional Group

Pure dolomite

726.13, 879.16

Ca-C and Mg-C bonds, respectively, show stretching vibrations.

1446.96

Related to the C-O bond

Dolomite aged with oil

1335.19

Associated with the O-C-O bending vibrations

1817.25

Associated with the carbonyl group

2894.55

Stearic acid’s O-H group’s stretching vibration

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