Research Article
Adsorption of Polyvinylpyrrolidone over the Silica Surface: As Affected by Pretreatment of Adsorbent and Molar Mass of Polymer Adsorbate
Figure 7
Adsorption isotherms of PVP having different molecular mass on AEROSIL OX 50, measured at 298 K. The error percentage was about 2.5.