Research Article

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

Figure 2

Zeta potential of 1% aqueous dispersion AEROSIL OX 50, measured in 1 × 10−3 M KCl. The error percentage was about 5.0.