5Drmazet Bonnamour I,Perchec P L.Colloidal dispersion of magnetite nanoparticles bia in situpreparition with sodium polyoxyalkylene di-phosphonaes[J].Colloid Surf,2000,173:61.
6Uayssières L,Chanéac C,Tronc E,et al.Size tailoring of magnetite particles formed by aqueous precipitation:an example of thermodynmic stability of nanometric oxide particles[J].J Colloid Interface Sci,1998,205:205.
7Domingo C,Rodriguez G emente R,Blesa M.Morphological properties of α-FeOOH,γ-FeOOH and Fe3O4 obtained by oxidation of aqueous Fe (H) solutions[J].J Colloid Interface Sci,1994,165:244.
8Gómez-Lopera S A,Plaza R C,Plaza,Delgado A V.Spherical Magnetite/Biodegradable polymer Composite Particles[J].J Colloid Interface Sci,2001 ;240:40.
9López -Quintela M A,Rivas J.Chemical reactions in microemulsions:a powerful method to obtain ultrafine particles[J].J Colloid Interface Sci,1993 ;158:446.
10Li Y,Liao H,Qian Y.Hydrothermal synthesis of ultrafine α-Fe2O3 and Fe3O4 powders[J].Mater Res Brll.1998,33(6):841.