1991
DOI: 10.1016/1044-0305(91)80059-g
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Solution chemistry and secondary ion emission from amine-glycerol solutions

Abstract: Analytical Chemistry Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA Secondary ion mass spectra were obtained from a series of C4-C10 n-alkylamines introduced via the gas phase onto glycerol. It was found that the amine-characteristic secondary ion intensity varied linearly with amine partial pressure. Henry's law constants and surface activity constants for each of the amines in glycerol solution were measured. A linear correlation was found between amine-characteristic secondary ion intens… Show more

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Cited by 25 publications
(10 citation statements)
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(39 reference statements)
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“…The result is the formation of contact ion pairs. The fact that the ionic yield is only approximately 0.1 [26,42] shows that only a small fraction of the initially solvated ions survives recombination. To simplify the discussion, it is considered that this ion pairing occurs first.…”
Section: Ionic Clustering and Proton Transfer Distances In The Decayimentioning
confidence: 99%
“…The result is the formation of contact ion pairs. The fact that the ionic yield is only approximately 0.1 [26,42] shows that only a small fraction of the initially solvated ions survives recombination. To simplify the discussion, it is considered that this ion pairing occurs first.…”
Section: Ionic Clustering and Proton Transfer Distances In The Decayimentioning
confidence: 99%
“…Although there is general agreement on the mechanism of desorption of neutral molecules from the liquid surface on FAB and the supply process that allows the analyte to be sampled by the sputtering, the question of ion formation has still not been adequately resolved [3][4][5][6]. Some investigators have provided evidence showing that ionization of the analyte occurs in the condensed phase before and/or during the bombardment process [7][8][9]. Resulting species can be ejected as fragments, molecular ions, or clusters, depending on the distance of the analyte molecule from the impinging fast atoms [7].…”
mentioning
confidence: 99%
“…It is important to note, however, that not all measurements of condensed-phase equilibria using FAB have been successfill [26], and it has been shown that a direct relationship between acid addition and secondary ion emission in FAB is often compromised by effects such as changes in solubility, surface activity, volatility, and fast-atom beam-induced chemistry [27]. For some nonionic analytes and matrices, ionization in the condensed phase has been suggested to occur via fast-atom beam-induced processes [8,9,22,23,28]. One of the most comprehensive studies of this hypothesis was performed by Todd [9] who collected the liquid secondary ion mass spectra of a series of n-alkylamines, introduced via the gas phase onto the glycerol matrix.…”
mentioning
confidence: 99%
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