S.No. Absorption bands (cm-1) and their peak assignments
           PP (Polypropylene) with Nickel 12 hydroxy oleate   1%,2% and 3% comparable with virgin PP
1. 973 -CH2 Rocking Vibration
2. 997 -CH3 Rocking Vibration
3. 1167 -CH3 symmetric deformation
4. 1454 -CH2 symmetric deformation
5. 2839 -CH3 symmetric deformation
6. 2951 -CH2 anti symmetric stretching
7 1636 --C=C- stretching form  from  -CH3 symmetric deformation
Tables 6: Characterization peak in FTIR for PP 1%, 2%, 3% Ni-12 hydroxyl oleate after biodegradation -C=C- slightly increases 1636 cm-1.