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Citation: Chen Long-Wu, Zhang Ping-Ping, Jiang Ji-Sen, Zhou Nai-Fu. Preparation of Uniform Spherical Magnetite Particles[J]. Acta Physico-Chimica Sinica, ;1990, 6(01): 88-90. doi: 10.3866/PKU.WHXB19900115 shu

Preparation of Uniform Spherical Magnetite Particles

1.
Department of Chemistry,East China Normal University

Received Date: 14 June 1988
Available Online: 15 February 1990

In a simple experimental condition without dustproof equipment, satisfactory spherical magnetite particles of narrow size distribution had been obtained by aging ferrous hydroxid gels in the presence of nitrate ion. this note reports a new result according to the modified experimental procedure, in which included the mixed of reactants, elimination of oxygen and magnetic separation etc. According to transmis-sion electron micrographs the mean diameter of particles is about 0.5 μm.
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