Comparison of adsorption properties of MgxOy-SiO2 and ZnxOy-SiO2 in the mixed oxide-poly(vinyl alcohol) system
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- 作者：M. Wiśniewskaa ; wisniewska@hektor.umcs.lublin.pl" class="auth_mail" title="E-mail the corresponding author ; P. Nowickib ; V.M. Bogatyrovc ; A. Nosal-Wiercińskad ; R. Pietrzakb
- 关键词：Mixed oxide ; MgxOy-SiO2 ; ZnxOy-SiO2 ; Poly(vinyl alcohol) adsorption ; Zeta potential ; Solid surface charge density
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：5 March 2016
- 年：2016
- 卷：492
- 期：Complete
- 页码：12-18
- 全文大小：1321 K
文摘
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Nonionic PVA adsorption mechanism on MgxOy–SiO2 and ZnxOy–SiO2 was examined.
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Spectrophotometry, microelectrophoresis and potentiometric titration were applied.
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MgxOy (ZnxOy) content in mixed oxide structure affects adsorption properties of solid.
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PVA shows the greater adsorption on MgxOy–SiO2 surface.
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Polymer adsorption does not influence the solid surface charge density.