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Retention ratios of an unknown solute peak from a volatile oil can help to identify its chemical type. Relative retentions on conventional stationary phases can be used to calculate a polar/non-polar ratio which may suggest it is an aromatic solute or a sesquiterpene hydrocarbon. With dipentyl (DA) cyclodextrin phases, gamma-DA/alpha-DA ratios can indicate(More)
  • T J Betts
  • Journal of chromatographic science
  • 2001
Relative retention times versus the n-undecane for ten diverse probe solutes from volatile oils are scatterplotted between pairs of modified cyclodextrin (CD) phases. If the resulting line of best fit has a very high correlation coefficient (r), then the two CDs are behaving similarly and will not give different results. A low value of r between two CD(More)