2004
DOI: 10.1016/j.chroma.2004.08.121
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The hydrophobic-subtraction model of reversed-phase column selectivity

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Cited by 140 publications
(207 citation statements)
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“…These columns with an embedded polar group (EPG) are generally less hydrophobic than non-EPG (Type-B) columns, less acidic toward hydrogen-bond donors (larger B). In other words, these characteristics are expected, based on the nature of the basic polar groups present in these columns [24].…”
Section: Stationary Phase Effectmentioning
confidence: 86%
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“…These columns with an embedded polar group (EPG) are generally less hydrophobic than non-EPG (Type-B) columns, less acidic toward hydrogen-bond donors (larger B). In other words, these characteristics are expected, based on the nature of the basic polar groups present in these columns [24].…”
Section: Stationary Phase Effectmentioning
confidence: 86%
“…EPP polymeric column has no silanol groups and it allows a useful comparison with silicabased phases, enabling to test the influence of silanol group on retention [23]. Table 4 lists the selectivity parameters for several RP-LC columns [24] and the retention factors, k; asymmetry factors, A S (calculated at 10% of the peak height); resolution of adjacent bands, R s (calculated with peak width at half-height) and column efficiency (plate height values, H df ) are summarized in Table 5. H df were assessed using the Dorsey -Foley equation, N df = 41.7 (t r /w 0.1 ) 2 /(A s + 1.25), where N df is the Dorsey -Foley efficiency, in terms of A s , t r is the retention time for a given compound and w 0.1 is the peak width at 10% of the peak height [25].…”
Section: Stationary Phase Effectmentioning
confidence: 99%
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“…Over the past two decades, several models of RP selectivity have been developed that can be leveraged to help identify phases that have complementary selectivities. These include procedures developed by the United States Pharmacopoeia, Katholieke Universiteit Leuven, and Euerby et al (Snyder et al, 2012). In each case, selectivity data have been compiled for hundreds of phases.…”
Section: Selection Of Complementary Separationsmentioning
confidence: 99%
“…The columns in each group have relatively similar HSM parameters. The readers are referred to the review article by Snyder et al (2004) for more details.…”
Section: Reversed Phasementioning
confidence: 99%