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Formulation of the System of Isohydric Solutions
Faculty of Engineering and Chemical Technology, Technical University of Cracow, Kraków, Poland
Department of Analytical Chemistry, The University of Seville, Seville, Spain
- 1 Faculty of Engineering and Chemical Technology, Technical University of Cracow, Kraków, Poland
- 2 Department of Analytical Chemistry, The University of Seville, Seville, Spain
Journal of Analytical Sciences, Methods and Instrumentation·Volume 02 (2012)·Pages 1–4·Published 13 March 2012·DOI10.4236/jasmi.2012.21001
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Abstract
The isohydricity (pH constancy) as the property referred to mixtures of acids or bases, is illustrated on a simple example of the solutions: HL (C 0 , mol/L) and HL (C mol/L) mixed according to titrimetric mode (pH titration). A new derivation of the Michalowski formula C 0 = C + C 2 ·10 P K1 expressing this property is presented, and its applicability for determination of pK 1 = – logK 1 value is indicated. The principle of the isohydric method of pK 1 determination is also outlined.
KeywordsIsohydric SolutionspH Titration
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