Influence of TAC on Dispersion of Aqueous Nano Alumina Suspension

Influence of TAC on Dispersion of Aqueous Nano Alumina Suspension

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摘要 The stability of aqueous nano alumina powder suspensions with and without dispersant tri-ammonium citrate (TAC) was investigated by measuring zeta potential at different pH values. The isoelectric point (IEP) of alumina powder shifts towards more acidic pH range by adding TAC dispersant. The results illustrate that adsorption of TAC on alumina powder surface existed in the aqueous suspension, which leads to a high stability of the suspension. The stability of aqueous nano alumina powder suspensions with and without dispersant tri-ammonium citrate (TAC) was investigated by measuring zeta potential at different pH values. The isoelectric point (IEP) of alumina powder shifts towards more acidic pH range by adding TAC dispersant. The results illustrate that adsorption of TAC on alumina powder surface existed in the aqueous suspension, which leads to a high stability of the suspension.

作者赵巍

机构地区 Tianjin University

出处《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2004年第3期4-6,共3页 武汉理工大学学报（材料科学英文版）

基金 FundedbytheNationalNaturalScienceFoundationofChina(No .5 0 2 730 2 6 )

关键词 DISPERSANT SUSPENSION isoelectric point dispersant suspension isoelectric point

分类号 TB383 [一般工业技术—材料科学与工程]

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Journal of Wuhan University of Technology(Materials Science)

2004年第3期

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Influence of TAC on Dispersion of Aqueous Nano Alumina Suspension

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