Sample

Bulk density ρB (g/cm3)

X-ray density ρx (g/cm3)

Porosity ρ (in %)

ZnFe2O4

4.5938

5.3948

12.993

ZnAl0.2Fe1.8O4

4.6843

5.3260

11.926

ZnAl0.4Fe1.6O4

4.7869

5.1987

10.920