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. Author manuscript; available in PMC: 2012 Feb 11.
Published in final edited form as: J Chromatogr A. 2010 Nov 16;1218(6):763–777. doi: 10.1016/j.chroma.2010.11.009

Figure 6.

Figure 6

The column selectivity parameters of different phases measured by Snyder-Dolan HSM method. Chromatographic conditions: 50/50 ACN/60mM phosphate buffer (pH = 2.8 or 7.0), T = 35 °C, F = 1.0 ml/min. The squared correlation coefficients and the standard errors of the regression of Eq. 6 indicate good fits for all three phases: HC-COOH, R2 = 0.994, S.E. = 0.034 ; HC-C8, R2 = 0.999, S.E. = 0.022; –SO3-HC-C8, R2 = 0.995, S.E. = 0.060; The data for HC-C8, –SO3-HC-C8, type-B C8 phases, EPG phases and phenyl phases were obtained from reference [49].