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Citation: Wang Guang-Xin, Chen Zong-Qi, Zhang Yu-Ling, Yin Shi-Gang. Study on Monodispersed Colloid III. Preparation of Monodispersed Particles of Fe₂O₃[J]. Acta Physico-Chimica Sinica, ;1991, 7(06): 699-702. doi: 10.3866/PKU.WHXB19910612 shu

Study on Monodispersed Colloid III. Preparation of Monodispersed Particles of Fe₂O₃

1.
Department of Applied Chemistry, Qingdao Institute of Chemical Technology, Qingdao 266042

Received Date: 9 May 1990
Available Online: 15 December 1991

Spindal, star-shaped and bipyramidal monodispersed particles of Fe_2O_3 were prepared from solutions of Fe(NO_3)_3 by using the simplified procedures under general experimental conditions.The concentration and pH domains for the preparation of these monodispersed systems have been given. One of the important factors which affect the shape of pricipited particles formed at elevated temperature is pH value in the initial solution. The transformation of particles in various shapes were observed by using an electron microscope. The obtained results will be helpfull to preparation in a large scale and practical application of the monodispersed systems.
- Fe₂O₃; Monodispersed particle; Preparation
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沈阳化工大学材料科学与工程学院沈阳 110142

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Study on Monodispersed Colloid III. Preparation of Monodispersed Particles of Fe2O3

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Study on Monodispersed Colloid III. Preparation of Monodispersed Particles of Fe₂O₃