Research Article

Biodegradation of PAHs by Burkholderia sp. VITRSB1 Isolated from Marine Sediments

Table 3

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

Serial numberFrequencyBondFunctional group

Before degradation

13444.87
3417.86
3390.86
N H stretch
O-H stretch, H bonded
Primary and secondary amines, amides
Alcohols, phenols
23251.98N H stretch
CC H:CH stretch
Primary and secondary amines, amides
32856.58C H stretch
O H stretch
Alkanes
Carboxylic acids
41641.42C=C stretch
N H bend
Alkenes
Primary amines
51629.85 N H bend
C=C stretch
Primary amines
Alkenes
61402.25C C stretch (in ring)Aromatics
71093.64C N stretchAliphatic amines
8989.48=C H bendAlkenes
9621.08C Cl stretch
CC H:C H B end
Alkyl halides
Alkynes
10534.28C Br stretchAlkyl halides

After degradation

13442.94O H stretch, H bondedAlcohols, phenols
23174.83O H stretchCarboxylic acids
31641.42C=C stretch
N H bend
Alkenes
Primary amines
41629.85N H bendPrimary amines
51400.32C C stretch (in ring)Aromatics
61091.71C O stretchAlcohols, carboxylic acids, esters, and ethers
7 991.41=C H bendAlkenes
8866.04N H wagPrimary and secondary amines
9621.08C Cl stretchAlkyl halides
10532.35C Br stretchAlkyl halides