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Citation: LI Qing-Shan, ZHANG Jin-Chao, SONG Li, WANG Jun. Influence of Preparation Conditions on the Water-Dispersion of Sb/SnO₂ Ultrafine Powder[J]. Chinese Journal of Applied Chemistry, ;2003, 20(11): 1076-1079. shu

Influence of Preparation Conditions on the Water-Dispersion of Sb/SnO₂ Ultrafine Powder

1.
College of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237

Corresponding author: LI Qing-Shan,
Received Date: 17 February 2003
Available Online: 19 August 2003

Sb/SnO₂ ultrafine powder water-dispersion prepared by a ball-grinding method has been investigated as function of pH value, Sb concentration and calcination temperature by measurements of the Zeta potential and sedimentation rate of the dispersion. The results indicate that the Sb/SnO₂ ultrafine powder dispersion is dependent on the preparation conditions through their effects on the surface state, chemical composition and crystal state of the final products. The zero Zeta potential point of the Sb/SnO₂ ultrafine powder is about 1.8. The proper conditions for higher stable Sb/SnO₂ ultrafine powder water-dispersion are: pH=10.0~11.5, n(Sb)/n(Sn) 0.04~0.19 and calcination temperature 800℃.
- Sb/SnO₂ ultrafine powder,
- dispersion behavior,
- preparation condition
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Influence of Preparation Conditions on the Water-Dispersion of Sb/SnO2 Ultrafine Powder

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Influence of Preparation Conditions on the Water-Dispersion of Sb/SnO₂ Ultrafine Powder