Phase Transformation of Iron Oxide Nanoparticles from Hematite to Maghemite in Presence of Polyethylene Glycol: Application as Corrosion Resistant Nanoparticle Paints

Table 1

Experimental details.

Sample code	Precursor 0.589 M [Fe(NO3)39H2O] solution (mL)	Amount of PEG in g	Molar ratio (precursor : PEG)
Fe2O3-0 PEG	10	0	—
Fe2O3-4 PEG	10	4 (0.066 M)	8.9 : 1
Fe2O3-8 PEG	10	8 (0.133 M)	4.4 : 1
Fe2O3-12 PEG	10	12 (0.2 M)	2.9 : 1