Multiinstrument study of the electrophoretic mobility of quartz

Marek Kosmulski; Edward Ma̧czka; Władysław Janusz; Jarl B. Rosenholm

doi:10.1006/jcis.2002.8330

Multiinstrument study of the electrophoretic mobility of quartz

Marek Kosmulski, Edward Ma̧czka, Władysław Janusz, Jarl B. Rosenholm

Laboratory of Molecular Science and Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

43 Citations (Scopus)

Abstract

The electrophoretic mobility of quartz in 0.01 mol dm-3 NaCl and NaNO3 over the pH range 2-8 was studied using five different commercial instruments. The mobilities over the pH range 4-8 were relatively consistent, but the mobilities over the pH range 2-4 and the position of the isoelectric point IEP varied from one instrument to another. This result suggests that the discrepancies in the apparent IEP of quartz (and other silicas) reported in the literature are due to the instrument artifacts. © 2002 Elsevier Science (USA).

Original language	English
Pages (from-to)	99-103
Number of pages	5
Journal	Journal of Colloid and Interface Science
Volume	250
Issue number	1
DOIs	https://doi.org/10.1006/jcis.2002.8330
Publication status	Published - 2002
MoE publication type	A1 Journal article-refereed

Keywords

Electric double layer
Isoelectric point
Quartz
Silicon IV oxide
Zeta potential

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10.1006/jcis.2002.8330

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abstract = "The electrophoretic mobility of quartz in 0.01 mol dm-3 NaCl and NaNO3 over the pH range 2-8 was studied using five different commercial instruments. The mobilities over the pH range 4-8 were relatively consistent, but the mobilities over the pH range 2-4 and the position of the isoelectric point IEP varied from one instrument to another. This result suggests that the discrepancies in the apparent IEP of quartz (and other silicas) reported in the literature are due to the instrument artifacts. {\textcopyright} 2002 Elsevier Science (USA).",

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N2 - The electrophoretic mobility of quartz in 0.01 mol dm-3 NaCl and NaNO3 over the pH range 2-8 was studied using five different commercial instruments. The mobilities over the pH range 4-8 were relatively consistent, but the mobilities over the pH range 2-4 and the position of the isoelectric point IEP varied from one instrument to another. This result suggests that the discrepancies in the apparent IEP of quartz (and other silicas) reported in the literature are due to the instrument artifacts. © 2002 Elsevier Science (USA).

AB - The electrophoretic mobility of quartz in 0.01 mol dm-3 NaCl and NaNO3 over the pH range 2-8 was studied using five different commercial instruments. The mobilities over the pH range 4-8 were relatively consistent, but the mobilities over the pH range 2-4 and the position of the isoelectric point IEP varied from one instrument to another. This result suggests that the discrepancies in the apparent IEP of quartz (and other silicas) reported in the literature are due to the instrument artifacts. © 2002 Elsevier Science (USA).

KW - Electric double layer

KW - Isoelectric point

KW - Quartz

KW - Silicon IV oxide

KW - Zeta potential

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JO - Journal of Colloid and Interface Science

JF - Journal of Colloid and Interface Science

IS - 1

ER -

Multiinstrument study of the electrophoretic mobility of quartz

Abstract

Keywords

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