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) | Zendy

Dag Ekeberg | Zendy; Anja M. Jablonska-Jentoft | Zendy

Open Access

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)

Author(s) -

Dag Ekeberg,

Anja M. Jablonska-Jentoft

Publication year - 2007

Publication title -

journal of the american society for mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.961

H-Index - 127

eISSN - 1879-1123

pISSN - 1044-0305

DOI - 10.1016/j.jasms.2007.09.021

Subject(s) - chemistry , mass spectrometry , ion , protonation , chemical ionization , supercritical fluid , analytical chemistry (journal) , ion source , polyatomic ion , alcohol , ionization , gas chromatography , chromatography , organic chemistry

Ion neutral reactions in the gas phase in mixtures of ROH/CO(2), R = 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 alpha-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.

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