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. 2020 Apr 15;6(4):e03784. doi: 10.1016/j.heliyon.2020.e03784

Table 4.

Ms, Mr, and χ values of the samples through magnetization data analysis.

Sample Ms (emu/g) Mr (emu/g) χ Magnetic moment (J/T)
Magnetite 30.3 0.23 3.1 6.7 × 10−18
FS1 21.6 0.24 2.6 9.2 × 10−19
FS2 11.5 0.02 1.5 8.9 × 10−19
FS3 10.6 0.02 1.2 8.5 × 10−19
FS4 9.2 0.06 2.0 8.1 × 10−19