what is ball milling in nanoparticles

ball mill for making nanoparticles

ball mill for making nanoparticles Preparation and Characterization of Silica Nanoparticles by Wet Nanoparticles from mechanical attrition are produced by a top down process unlike and a batch reactor have been used to prepare silica nanoparticles [18] 25 gm of white or yellow sand was placed in a laboratory scaled ball mill