2007
DOI: 10.1016/j.jasms.2007.09.021
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Ion-neutral reactions in the ion source of a mixture of CO2/CH3OH, CO2/C2H5OH, and CO2/2-C3H7OH by packed capillary supercritical fluid chromatography-mass spectrometry (SFC-MS)

Abstract: Ion neutral reactions in the gas phase in mixtures of ROH/CO 2 , R ϭ CH 3 , C 2 H 5 , and 2-C 3 H 7 were studied by supercritical fluid chromatography-mass spectrometry (SFC-MS). Three main reaction series were found for this system; ionization followed by ␣-cleavage, formation of ␣ clusters, and formation of protonated dialkyl ethers from the corresponding alcohol. The ion chemistries were similar for the three alcohols, but that of 2-propanol was somewhat more complex. (J Am Soc Mass Spectrom 2007, 18, 2173-… Show more

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Cited by 5 publications
(2 citation statements)
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“…[1][2][3][4][5][6][7][8] Furthermore, by selecting the proper polar cosolvent the selective dissolution of several molecular species could be appropriately tuned, thus making these binary solvents widely used in extraction and separation techniques, 9,10 as well as suitable media for specific chemical reactions under sc conditions. [11][12][13] The most common cosolvents used for these purposes are the lower alcohols ͑methanol, ethanol, 2-propanol, etc.͒ and they have been widely employed in a wide range of important applications in material science. [14][15][16][17] Therefore, the investigation of the structural and dynamic properties of these mixed solvents becomes necessary in order to reveal important information about their characteristic behavior.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4][5][6][7][8] Furthermore, by selecting the proper polar cosolvent the selective dissolution of several molecular species could be appropriately tuned, thus making these binary solvents widely used in extraction and separation techniques, 9,10 as well as suitable media for specific chemical reactions under sc conditions. [11][12][13] The most common cosolvents used for these purposes are the lower alcohols ͑methanol, ethanol, 2-propanol, etc.͒ and they have been widely employed in a wide range of important applications in material science. [14][15][16][17] Therefore, the investigation of the structural and dynamic properties of these mixed solvents becomes necessary in order to reveal important information about their characteristic behavior.…”
Section: Introductionmentioning
confidence: 99%
“…Analytical scale SFC-MS saw the publication of more fundamental studies during the period (56). Results of ion-neutral reactions in the gas phase which take place when mixtures of polar modifiers (e.g., methanol, ethanol, and 2-propanol) are introduced into the CO 2 mobile phase and expand through the direct fluid interface have been presented.…”
Section: Supercritical Fluid Chromatography-mass Spectrometrymentioning
confidence: 99%