Please use this identifier to cite or link to this item: https://doi.org/10.1351/pac200779010081
Title: Guidelines for potentiomeric measurements in suspensions part B. Guidelines for practical pH measurements in soil suspension: IUPAC recommendations 2006
Authors: Oman, S.F.
Camões, M.F.
Powell, K.J.
Rajagopalan, R. 
Spitzer, P.
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
Issue Date: Jan-2007
Source: Oman, S.F., Camões, M.F., Powell, K.J., Rajagopalan, R., Spitzer, P. (2007-01). Guidelines for potentiomeric measurements in suspensions part B. Guidelines for practical pH measurements in soil suspension: IUPAC recommendations 2006. Pure and Applied Chemistry 79 (1) : 81-86. ScholarBank@NUS Repository. https://doi.org/10.1351/pac200779010081
Abstract: 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. © 2007 IUPAC.
Source Title: Pure and Applied Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/68265
ISSN: 00334545
DOI: 10.1351/pac200779010081
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