Case of Ultrasonic Extraction of Biological Nanometer (Ultrasonic Chemical Synthesis method)
Ultrasonic Extraction of Biological nano (ultrasonic chemical synthesis method) in the ultrasonic chemical reaction, the key role is the cavitation effect of sound waves. In the ultrasonic irradiation process, cavitation bubbles will occur in the liquid formation, growth and collapse, when cavitation bubbles collapse produces a strong pressure pulse, produce many unique properties, such as the production of high temperature up to 5000K, more than 200Mpa, and up to 1010K/p cooling rate, this is the energy source of ultrasonic chemical synthesis, Kcap, Okitso etc.
We added 0.5um o.Al1/O3 powder to pdln.2n3cl.3h20 solution, and then added a kind of compendium that promotes Pd2 reduction, and then used 20Khz ultrasonic irradiation to synthesize Pd nanoparticles around 10nm on Al2O2 surface.
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