1991
DOI: 10.1021/ac00010a012
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Electrical double-layer model for sorption of ions on octadecylsilyl bonded phases including the role of residual silanol groups

Abstract: with longer beam lines. Mass spectrometrists may be interested in exploring the technique's potential for high resolution.By pushing the technique with faster rise times of the BVM wave form, higher beam voltages, smaller BVM tubes, and energy selection of the continuous ion beam, vastly higher resolutions could be achieved. The technique shows great promise as a method for high-frequency population modulation and appears to be amenable to Fourier transform mass spectrometric techniques. ACKNOWLEDGMENTWe are a… Show more

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Cited by 54 publications
(32 citation statements)
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“…For example, residual silanols act as very strong adsorbing sites for alkylammonium ions [27]: the first addition of this kind of IIR may result in a dynamic end capping. While the evaluation of 7E and 7n in the mobile phase is straightforward, the activity coefficients for the eluting substance and the IIR adsorbed on the surface are not easily estimated.…”
Section: Theorymentioning
confidence: 99%
See 1 more Smart Citation
“…For example, residual silanols act as very strong adsorbing sites for alkylammonium ions [27]: the first addition of this kind of IIR may result in a dynamic end capping. While the evaluation of 7E and 7n in the mobile phase is straightforward, the activity coefficients for the eluting substance and the IIR adsorbed on the surface are not easily estimated.…”
Section: Theorymentioning
confidence: 99%
“…where: (27) It is interesting to note that all fitting parameters are related to physical quantities. The key expressions, which will be used to fit retention data, plotted against the mobile phase and surface concentration of the IIR, are Eq.…”
Section: Theorymentioning
confidence: 99%
“…In ion-pair chromatography, a molecule that contains both a fixed charge site and a hydrophobic tail is added to the mobile phase [19][20][21][22][23][24][25][26]. The hydrophobic portion of the molecule adsorbs onto the stationary phase and the fixed charged portion provides a site with which an analyte ion may interact.…”
Section: Ion-pair Reagentsmentioning
confidence: 99%
“…Researchers introduced a similar number of different theories for the description of the effect of ionic mobile-phase additives on the retention of charged analytes; essentially, each specific name for this technique corresponds to its own distinct retention theory. Melander and Horvath [116] divided existing theories into two main groups: stoichiometric [113,114,[117][118][119] and nonstoichiometric [120][121][122][123][124][125][126][127][128][129][130][131][132][133].…”
Section: Introductionmentioning
confidence: 99%