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 |