Dispersion Behavior of Nano-titania Powder in Aqueous Solution
Zhen-Bin Jia
Abstract
Zhen-Bin Jia
Abstract
The factors that influence the dispersion behavior of nano-titania in aqueous solution were investigated by spectrophotometry. By ultrasonic treatment for 10 min, nano-titania can be dispersed well and stably in aqueous solution when Na2SiO3 used as dispersant (0.8% of TiO2 in mass) and pH 8~10. The measured zeta potential of the particles in aqueous solution has confirmed the effect of pH on dispersion behavior.
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The factors that influence the dispersion behavior of nano-titania in aqueous solution were investigated by spectrophotometry. By ultrasonic treatment for 10 min, nano-titania can be dispersed well and stably in aqueous solution when Na2SiO3 used as dispersant (0.8% of TiO2 in mass) and pH 8~10. The measured zeta potential of the particles in aqueous solution has confirmed the effect of pH on dispersion behavior.
Key concepts: Dispersant, Dispersion (optics), Aqueous solution, Materials science, Zeta potential, Nano-, Chemical engineering, Analytical Chemistry (journal)