Solvatochromically based solvent-selectivity triangle

L. R. Snyder, P. W. Carr, S. C. Rutan

Research output: Contribution to journalReview articlepeer-review

109 Scopus citations


A classification of common solvents according to their dipolarity and hydrogen-bonding acidity and basicity has been developed, based on the Kamlet-Taft solvatochromic parameter scheme. This approach has been compared with the Snyder-Rohrschneider solvent-selectivity triangle (SST). The two solvent-classification schemes are found to be generally similar. Both SST-based schemes are also compared to an analysis of solvent selectivity based on linear salvation energy relationships. While there are considerable similarities, important practical differences, especially in the case of reversed-phase liquid chromatography, are evident.

Original languageEnglish (US)
Pages (from-to)537-547
Number of pages11
JournalJournal of Chromatography A
Issue number1-2
StatePublished - Dec 17 1993

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