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Bunnett–Olsen equations

The equations for the relation between log 10 ( [SH + ] [S] ) + H 0 and log 10 [H + ] + H 0 for base S in aqueous mineral acid solution, where H 0 is Hammett's acidity function and log 10 [H + ] + H 0 represents the activity function log 10 ( γ S γ H + ) γ SH + for the nitroaniline reference bases to build H 0.
log 10 ( [SH + ] [S] ) − log 10 [H + ] = ( Φ − 1 ) ( log 10 [H + ] + H 0 ) + p K SH +
log 10 ( [SH + ] [S] ) + H 0 = Φ ( log 10 [H + ] + H 0 ) + p K SH +
Source:
PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1091
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.B00758.
Original PDF version: http://www.iupac.org/goldbook/B00758.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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