Effect of Dispersant on the Measurement of Particle Size Distribution of Titanium Dioxide

Li Shen; Jin Hu; Da Ping Wu

doi:10.4028/www.scientific.net/KEM.512-515.261

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 512-515Effect of Dispersant on the Measurement of...

Effect of Dispersant on the Measurement of Particle Size Distribution of Titanium Dioxide

Abstract:

As anionic surfactant, a commercial salt of lauryl sodium sulfate was used. The effects of different amounts of dispersant on the measurement of particle size distribution between two titanium dioxide powders (anatase and rutile) in aqueous media were discussed. Diluted aqueous suspensions were characterized in terms of particle size distribution and zeta potential. The results demonstrate that the measurement of particle size distribution strongly depends on the amounts of dispersant. The amounts of dispersant have a significant effect on the behavior of the rutile-TiO2 particles. The particle size first decreases significantly with an increase in the amounts of dispersant and then lesser increases with a further increase in the amounts of dispersant. The tendency show significant differences between two particles.

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Periodical:

Key Engineering Materials (Volumes 512-515)

Pages:

261-264

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.512-515.261

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Online since:

June 2012

Authors:

Li Shen, Jin Hu, Da Ping Wu

Keywords:

Particle Size Distribution, Titanium Dioxide Powder, Zeta-Potential

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