Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane

Research output: Contribution to conferencePoster

Abstract

An investigation of the negative ion-molecule chemistry of pentachloroethane (PCE) in air based Ion Mobility Spectrometry and Ion Mobility Spectrometry-Mass Spectrometry systems has been undertaken. The observed product ions are Cl-, produced by dissociative electron attachment, and Cl-.HOO resulting from a reaction with O2-. Based upon the moisture content of the system, these ions can be observed as a doublet in a ‘dry’ system or as a singlet in a ‘wet’ system. The nature of the Cl-.HOO product ion was investigated by using isoflurane as a probe to monitor the changing ratios of Cl-and Cl-.HOO as the PCE concentration decreased. This confirmed the origins of the two product anions. Electronic structure calculations have aided to the understanding of the reaction processes observed
Original languageEnglish
Publication statusUnpublished - 12 Feb 2019
EventSpectrometry for Security Applications– First International Workshop - Austria, Dornbirn, Austria
Duration: 10 Feb 201913 Feb 2019
https://www.fhv.at/sfs/

Conference

ConferenceSpectrometry for Security Applications– First International Workshop
CountryAustria
CityDornbirn
Period10/02/1913/02/19
Internet address

Fingerprint

Negative ions
Ions
Molecules
Isoflurane
Spectrometry
Electronic structure
Anions
Mass spectrometry
Moisture
pentachloroethane
Electrons
Air

Cite this

Gonzalez-Mendez, R. (2019). Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane. Poster session presented at Spectrometry for Security Applications– First International Workshop, Dornbirn, Austria.

Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane. / Gonzalez-Mendez, Ramon.

2019. Poster session presented at Spectrometry for Security Applications– First International Workshop, Dornbirn, Austria.

Research output: Contribution to conferencePoster

Gonzalez-Mendez, R 2019, 'Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane' Spectrometry for Security Applications– First International Workshop, Dornbirn, Austria, 10/02/19 - 13/02/19, .
Gonzalez-Mendez R. Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane. 2019. Poster session presented at Spectrometry for Security Applications– First International Workshop, Dornbirn, Austria.
Gonzalez-Mendez, Ramon. / Ion Mobility Studies On The Negative Ion-Molecule Chemistry Of Pentachloroethane. Poster session presented at Spectrometry for Security Applications– First International Workshop, Dornbirn, Austria.
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abstract = "An investigation of the negative ion-molecule chemistry of pentachloroethane (PCE) in air based Ion Mobility Spectrometry and Ion Mobility Spectrometry-Mass Spectrometry systems has been undertaken. The observed product ions are Cl-, produced by dissociative electron attachment, and Cl-.HOO resulting from a reaction with O2-. Based upon the moisture content of the system, these ions can be observed as a doublet in a ‘dry’ system or as a singlet in a ‘wet’ system. The nature of the Cl-.HOO product ion was investigated by using isoflurane as a probe to monitor the changing ratios of Cl-and Cl-.HOO as the PCE concentration decreased. This confirmed the origins of the two product anions. Electronic structure calculations have aided to the understanding of the reaction processes observed",
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AB - An investigation of the negative ion-molecule chemistry of pentachloroethane (PCE) in air based Ion Mobility Spectrometry and Ion Mobility Spectrometry-Mass Spectrometry systems has been undertaken. The observed product ions are Cl-, produced by dissociative electron attachment, and Cl-.HOO resulting from a reaction with O2-. Based upon the moisture content of the system, these ions can be observed as a doublet in a ‘dry’ system or as a singlet in a ‘wet’ system. The nature of the Cl-.HOO product ion was investigated by using isoflurane as a probe to monitor the changing ratios of Cl-and Cl-.HOO as the PCE concentration decreased. This confirmed the origins of the two product anions. Electronic structure calculations have aided to the understanding of the reaction processes observed

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