Jump to ContentJump to Main Navigation
Show Summary Details
More options …

Pure and Applied Chemistry

The Scientific Journal of IUPAC

Ed. by Burrows, Hugh / Stohner, Jürgen

IMPACT FACTOR 2018: 2.350
5-year IMPACT FACTOR: 4.037

CiteScore 2018: 4.66

SCImago Journal Rank (SJR) 2018: 1.240
Source Normalized Impact per Paper (SNIP) 2018: 1.826

See all formats and pricing
More options …
Volume 79, Issue 1


Guidelines for potentiometric measurements in suspensions Part B. Guidelines for practical pH measurements in soil suspensions (IUPAC Recommendations 2006)

Srecko F. Oman
  • Corresponding author
  • Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ M. Filomena Camões
  • Corresponding author
  • Departamento de Química e Bioquímica, University of Lisbon (CECUL/DQB), Faculdade de Sciências da Universidade de Lisboa, Edificio C8, Pt-1749-016, Lisboa, Portugal
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Kipton J. Powell
  • Corresponding author
  • Department of Chemistry, University of Canterbury, Christchurch, New Zealand
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Raj Rajagopalan
  • Corresponding author
  • Department of Chemical and Biomolecular Engineering, National University of Singapore, 117576, The Republic of Singapore
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Petra Spitzer
  • Corresponding author
  • Physikalisch-Technische Bundesanstalt (PTB), Postfach 3345, D-38023, Braunschweig, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2009-01-01 | DOI: https://doi.org/10.1351/pac200779010081

The measured cell potentials for suspension potentiometric cells have been interpreted and explained by a detailed analysis of the schemes for these cells ["Guidelines for potentiometric measurements in suspensions. Part A. The suspension effect (IUPAC Technical Report", Pure Appl. Chem.79, 67 (2007)]. Some former disagreements amongst investigations have been clarified. A new unambiguous operational definition of the suspension effect (SE) is presented. It is defined as the difference in cell potential for two suspension potentiometric cells, one with both electrodes in the separated equilibrium solution (eqs) and the other with both electrodes in the sediment or suspension. This potential difference is the sum of the change in the indicator electrode (IE) potential and the change in the liquid junction potential of the reference electrode (RE), when the electrodes are used for measurement, once in the sediment of the suspension and then in its eqs.

Keywords: anomalous liquid junction potential; boundary potential; IUPAC Analytical Chemistry Division; mixed potential; operational definition of suspension effect; pH; pIon; soil pH; suspension effect; suspension potentiometric cell

Project Year: 2004, Project Code: 2004-016-2-500


  • 1.

    D. H. Everett. Pure Appl. Chem. 31, 579 (1972). Online version coordinated by L. K. Koopal. Chem. Int. January-February 2003.Google Scholar

  • 2.

    , R. P. Buck, E. Lindner. Pure Appl. Chem. 66, 2527 (1994).CrossrefGoogle Scholar

  • 3.

    H. Pallmann. Kolloid Beih. 30, 34 (1930).Google Scholar

  • 4.

    , J. Th. G. Overbeek. J. Colloid Sci. 8, 593 (1953).CrossrefGoogle Scholar

  • 5.

    , S. F. Oman, M. F. Camos, K. J. Powell, R. Rajagopalan, P. Spitzer. Pure Appl. Chem. 79, 67 (2007).CrossrefGoogle Scholar

  • 6.

    , R. P. Buck, S. Rondinini, A. K. Covington, F. G. K. Baucke, C. M. A. Brett, M. F. Camoes, M. J. T. Milton, T. Mussini, R. Naumann, K. W. Pratt, P. Spitzer, G. S. Wilson. Pure Appl. Chem. 74, 2169 (2002).CrossrefGoogle Scholar

  • 7.

    S. F. Oman. Acta Chim. Slov. 51, 189 (2004).Google Scholar

  • 8.

    , S. Oman, A. J. Godec. Electroanal. Chem. 206, 349 (1986).CrossrefGoogle Scholar

  • 9.

    , S. Oman. Talanta 51, 23 (2000).CrossrefGoogle Scholar

  • 10.

    Lehrwerk Chemie, Vol. 5, G. Ackermann et al. Elektrolytgleichgewichte und Elektrochemie, 4th ed., p. 70, VEB Deutscher Verlag, Leipzig (1985).Google Scholar

  • 11.

    F. Helferich. Ion Exchange, Chaps. 2, 5, 8, McGraw Hill, New York (1962).Google Scholar

  • 12.

    , S. Oman, A. Godec. Electrochim. Acta 36, 59 (1991).CrossrefGoogle Scholar

  • 13.

    S. Oman. Acta Chim. Slov. 47, 519 (2000).Google Scholar

  • 14.

    , S. F. Oman, I. Lipar. Electrochim. Acta 42, 15 (1997).CrossrefGoogle Scholar

  • 15.

    T. R. Yu. Ion-Selective Electrode Rev. 7, Sections 1-4 (1985).Google Scholar

  • 16.

    D. A. Skoog, F. J. Holler, T. A. Nieman. Principles of Instrumental Analysis, 5th ed., Thomson Learning Inc., Brooks/Cole, Australia (1998).Google Scholar

About the article

Published Online: 2009-01-01

Published in Print: 2007-01-01

Citation Information: Pure and Applied Chemistry, Volume 79, Issue 1, Pages 81–86, ISSN (Online) 1365-3075, ISSN (Print) 0033-4545, DOI: https://doi.org/10.1351/pac200779010081.

Export Citation

© 2013 Walter de Gruyter GmbH, Berlin/Boston.Get Permission

Citing Articles

Here you can find all Crossref-listed publications in which this article is cited. If you would like to receive automatic email messages as soon as this article is cited in other publications, simply activate the “Citation Alert” on the top of this page.

Sören Thiele-Bruhn, Stefan Wessel-Bothe, and Marc-Oliver Aust
Journal of Plant Nutrition and Soil Science, 2015, Volume 178, Number 3, Page 425
Zhenqing Shi, James T. Nurmi, and Paul G. Tratnyek
Environmental Science & Technology, 2011, Volume 45, Number 4, Page 1586
Christoph Buttersack, Andreas König, and Roger Gläser
Microporous and Mesoporous Materials, 2019, Volume 281, Page 148
Iris Fornefett and Christoph Buttersack
Carbohydrate Polymers, 2018, Volume 187, Page 126
Hong Yao, Shichao Zhang, Xiaobo Xue, Jie Yang, Kelin Hu, and Xiaohua Yu
Frontiers of Environmental Science & Engineering, 2013, Volume 7, Number 2, Page 273
Márta Szekeres and Etelka Tombácz
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2012, Volume 414, Page 302
Raúl A. Rica, María L. Jiménez, and Ángel V. Delgado
Soft Matter, 2012, Volume 8, Number 13, Page 3596
M. Filomena Camões
Accreditation and Quality Assurance, 2009, Volume 14, Number 10, Page 521

Comments (0)

Please log in or register to comment.
Log in