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| Research on Preparation of nano-Barium Sulfate by Ultrasonic Method |
| LI Yong-hui |
| Hebei Yanuo Chemical Industry Corporation Ltd., Shijiazhuang 050018, China |
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Abstract Nano-barium sulfate was prepared by ultrasonic method.The influnces of the concentration of reactant,ultrasonic power, reaction time, reaction temperature on the particle size of the product were investigated, and a laser particle size analyzer and TEM analysis and characterization were carried out.The results showed that when the ultrasonic power ratio was 40%, concentration of reactant was 0.25 mol/L, ultrasonic reaction time was 15 min, ultrasonic reaction temperature was 30 ℃,the size of barium sulfate was the smallest.
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