Table 3.

Table showing frequencies visible in the spectra and their possible functional groups in FTIR before and after degradation of kerosene.

Serial number	Frequency	Bond	Functional group
Before degradation
1	3444.87 3417.86 3390.86	N H stretch O-H stretch, H bonded	Primary and secondary amines, amides Alcohols, phenols
2	3251.98	N H stretch C≡C H:CH stretch	Primary and secondary amines, amides
3	2856.58	C H stretch O H stretch	Alkanes Carboxylic acids
4	1641.42	C=C stretch N H bend	Alkenes Primary amines
5	1629.85	N H bend C=C stretch	Primary amines Alkenes
6	1402.25	C C stretch (in ring)	Aromatics
7	1093.64	C N stretch	Aliphatic amines
8	989.48	=C H bend	Alkenes
9	621.08	C Cl stretch C≡C H:C H B end	Alkyl halides Alkynes
10	534.28	C Br stretch	Alkyl halides
After degradation
1	3442.94	O H stretch, H bonded	Alcohols, phenols
2	3174.83	O H stretch	Carboxylic acids
3	1641.42	C=C stretch N H bend	Alkenes Primary amines
4	1629.85	N H bend	Primary amines
5	1400.32	C C stretch (in ring)	Aromatics
6	1091.71	C O stretch	Alcohols, carboxylic acids, esters, and ethers
7	991.41	=C H bend	Alkenes
8	866.04	N H wag	Primary and secondary amines
9	621.08	C Cl stretch	Alkyl halides
10	532.35	C Br stretch	Alkyl halides