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Magnetite nanopowder was synthesized by co-deposition of iron salts in the presence of ethylenediaminetetraacetic acid (EDTA) using sodium hydroxide as a precipitating agent. The iron chloride underwent complex formation reaction with (EDTA) followed by coprecipitation of the iron complex by boiling to produce the magnetite powder. The prepared powders were investigated by high magnification SEM and XRD to identify the particle shape and size of the obtained magnetite nanoparticles and its chemical composition. It was observed that the produced magnetite powder has spherical like particle shape with ~30 nm particle sizes and face centered cubic crystal structure. The magnetic properties of the obtained powder were measured using vibrating sample magnetometry (VSM). It was revaled that the obtained nanomagnetite particles have super magnetic character which of saturation magnetization 88.1 emu/g and squarness ratio of 0.14 which has the ability to used as a contrasting agent in magneto resonance imaging (MRI) diagnosis.
Walid M. Daoush (Tue,) studied this question.