Green Synthesis of Iron Nanoparticles: Application on the Removal of Petroleum Oil from Contaminated Water and Soils

Table 2

FTIR peaks for extract and nanoparticles.

Extract			Nanoparticles
Peak name	cm^−1		Peak name	cm^−1
1	3409.72	Vibrations of the −OH groups of phenolic moiety	a	3354.02	Vibrations (inter o intramolecular) of −OH groups of the phenolic
3	1594.46	C=C ring stretching in polyphenols	b	1634.98	C=C alkene conjugate cis and benzene ring
4	1405.43	In-plane bending vibration of −OH in phenol	c	1068.42	ν sim. C–O ether forming ring or aryl ether
5	1070.42	ν sim. C–O ether forming ring or aryl ether	d	630.23	Fe–O bond in stretching mode (tension)