Table 3.

Mössbauer parameters of magnesium ferrite-bentonite (MGF-B) and Hierarchical nanoflowers (HNFs).

	Sub Spectrum and Site	Isomer Shift (in mm s−1)	Quadruple Splitting (in mm s−1)	Hyperfine Field (in T)	Relative Area (in %)
MGF-B	Sextet (Td)	0.3 ± 0.02	−0.0 ± 0.04	45.3 ± 0.47	34.8
	Sextet [Oh]	0.3 ± 0.01	0.1 ± 0.02	48.5 ± 0.18	12.2
	Doublet	0.3 ± 0.00	0.6 ± 0.00	-	52.9
HNFs	Sextet (Td)	0.3 ± 0.02	0.1 ± 0.05	44.9 ± 0.29	62.5
	Sextet [Oh]	0.4 ± 0.00	−0.2 ± 0.01	51.4 ± 0.05	13.4
	Doublet	0.4 ± 0.02	0.7 ± 0.02	-	24.2