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BS ISO 13099-1:2012

BS ISO 13099-1:2012

Current

Current

The latest, up-to-date edition.

Colloidal systems. Methods for zeta-potential determination Electroacoustic and electrokinetic phenomena

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-31-2012

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Symbols
4 Theory: general comments
5 Elementary theories, Smoluchowski's limit
  for electrokinetics
6 Elementary theories, Smoluchowski's limit
  for electroacoustics
7 Advanced theories
8 Equilibrium dilution and other sample modifications
Annex A (informative) - Electric double layer models
Annex B (informative) - Surface conductivity
Annex C (informative) - Debye length
Annex D (informative) - Advanced electrophoretic theories
Annex E (informative) - Advanced electroacoustic theories
Bibliography

Specifies methods of zeta-potential determination, both electric and acoustic, in heterogeneous systems, such as dispersions, emulsions, porous bodies with liquid dispersion medium.

This part of ISO13099 describes methods of zeta-potential determination, both electric and acoustic, in heterogeneous systems, such as dispersions, emulsions, porous bodies with liquid dispersion medium.

There is no restriction on the value of zeta-potential or the mass fraction of the dispersed phase; both diluted and concentrated systems are included. Particle size and pore size is assumed to be on the micrometre scale or smaller, without restriction on particle shape or pore geometry. The characterization of zeta-potential on flat surfaces is discussed separately.

The liquid of the dispersion medium can be either aqueous or non-aqueous with any liquid conductivity, electric permittivity or chemical composition. The material of particles can be electrically conducting or non-conducting. Double layers can be either isolated or overlapped with any thickness or other properties.

This part of ISO13099 is restricted to linear effects on electric field strength phenomena. Surface charge is assumed to be homogeneously spread along the interfaces. Effects associated with the soft surface layers containing space distributed surface charge are beyond the scope.

Committee
LBI/37
DevelopmentNote
Supersedes 10/30216333 DC. (07/2012)
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 13099-1:2012 Identical

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PDF - English
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