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. 2024 Dec 18;11(1):e41370. doi: 10.1016/j.heliyon.2024.e41370

Table 4.

– Physical properties of Fe3O4 nanoparticles.

Molecular formula Fe3O4
Molecular weight (g/mol) 233.54
Form Powder
Color Black
Morphology Spherical and cornered shape Crystal structure
Cubic Size range (nm) 30–40 nm
Magnetization 51.1 emu/g at 14 kOe
Curie temperature (°C) 585
Density (g/cm3) 8.9
Impurity by XRF (%) <2