Research Article

Nanocomposite of CeO2 and High-Coercivity Magnetic Carrier with Large Specific Surface Area

Table 1

Specific preparation conditions of the CoFe2O4/CeO2 nanocomposite samples together with the results of the PXRD (particle size, , with range of error ~0.5 nm and lattice parameter, , of the CeO2 phase with range of error ~0.01 Å) and catalytic (specific surface area measured by BET method, ) measurements.

SampleFinal pHpH adjustment method (nm) (Å) (m2/g)

v026Dropwise addition of NaOH2.35.42132 ± 4
v038Dropwise addition of NaOH2.15.42176 ± 5
v0410Dropwise addition of NaOH1.75.42190 ± 6
v0510Fast addition of NaOH1.85.41189 ± 6
v0612Fast addition of NaOH1.75.42264 ± 8