Adsorption of Polyvinylpyrrolidone over the Silica Surface: As Affected by Pretreatment of Adsorbent and Molar Mass of Polymer Adsorbate

Figure 4

Particle size distribution of AEROSIL OX 50 (1% aqueous dispersion) measured after sonification for various duration using Mastersizer. The error percentage was about 3.5%.