Výsledky vyhledávání - "G. Mauclaire"

Gas Analysis by Electron Ionization Combined with Chemical Ionization in a Compact FTICR Mass Spectrometer

Autor: Joël Lemaire, Hélène Mestdagh, Essyllt Louarn, Sébastien Thomas, Michel Heninger, Elsa Bauchard, Julien Leprovost, G. Mauclaire, Pierre Boissel

Publikováno v: Analytical Chemistry
Analytical Chemistry, American Chemical Society, 2018, 90 (12), pp.7517-7525. ⟨10.1021/acs.analchem.8b01107⟩

In this Article, a compact Fourier transform ion cyclotron resonance (FTICR) mass spectrometer based on a permanent magnet is presented. This instrument has been developed for real-time analysis of gas emissions. The instrument is well-suited to indu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b3fa2e5b3f8d0edd1cafea417543bd2
https://hal.archives-ouvertes.fr/hal-02322619

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Development of a transportable FT-ICR MS associated with a glow discharge ionization source

Autor: F. Da Costa, G. Mauclaire, Pierre Boissel, Joël Lemaire, Michel Heninger, C. Le Vot, Hélène Mestdagh, M. Bouaziz

Publikováno v: International Journal of Mass Spectrometry
International Journal of Mass Spectrometry, Elsevier, 2016, 407, pp.106-112. ⟨10.1016/j.ijms.2016.07.005⟩

A transportable FT-ICR/MS associated with a flowing atmospheric pressure afterglow ionization source has been developed for air monitoring applications with the objective of detecting organic compounds with both a good mass resolution and a good sens

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a24ccaf5859dc267fd502cd55fc497a7
https://hal.archives-ouvertes.fr/hal-02322668

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Ultrasensitive spectroscopy of ionic reactive intermediates in the gas phase performed with the first coupling of an IR FEL with an FTICR-MS

Autor: Sophie Le Caër, G. Mauclaire, Aude Simon, Joël Lemaire, Michel Heninger, Pierre Boissel, Jean-Michel Ortega, Philippe Maître, Rui Prazeres, William Jones, F. Glotin, HélèGne Mestdagh

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 507:541-546

First example of coupling a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer (FTICR-MS) with an infrared Free Electron Laser (FEL) is presented. This experimental setup is ideally suited for the direct structural characterization of reacti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dcbbb19acbc5fcb47b14f1c5bc1394df
https://doi.org/10.1016/s0168-9002(03)00914-8

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Radiative lifetime of vibrationally excited N2H+ and N2D+ molecular ions

Autor: Michel Heninger, G. Mauclaire, R. Marx, Joël Lemaire, David Lauvergnat, Pierre Boissel

Publikováno v: International Journal of Mass Spectrometry. :669-678

Vibrationally excited N2H+ and N2D+ ions with internal energies of at least 1.3 eV have been produced by electron ionization of a mixture of N2 and H2 (or D2). Their radiative overall lifetime has been determined using the monitor ion technique in a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73ad8198c75226a09032d2fdc3050cc9
https://doi.org/10.1016/s1387-3806(02)00938-7

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Successive reactions of iron carbonyl cations with methanol

Autor: R. Marx, G. Mauclaire, Michel Heninger, Hélène Mestdagh, Pierre Boissel, Pascal Pernot, J. Lemaire

Publikováno v: International Journal of Mass Spectrometry. 199:267-285

The reactivity of Fe(CO) n + cations with methanol has been investigated using a triple-cell Fourier transform ion cyclotron resonance apparatus. Successive substitutions of the CO ligands by methanol occur rapidly with similar rates. For n = 3–5 t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89c89866e5fb41e118aa2370b516daa2
https://doi.org/10.1016/s1387-3806(00)00198-6

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Radiative lifetime measurements of the CO and CD stretching modes in DCO

Autor: Michel Heninger, R. Marx, G. Mauclaire, J. Lemaire, S. Fenistein

Publikováno v: International Journal of Mass Spectrometry. :131-137

The radiative decays of vibrationally excited DCO+ ions produced by dissociative ionization of CD3CDO have been investigated using the monitor ion technique in a Fourier transform ion cyclotron resonance spectrometer. The radiative lifetimes of the �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e08dbcc7c1e0539eee104519f05b65b2
https://doi.org/10.1016/s1387-3806(98)14113-1

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Radiative lifetime of CO+ (X2∑+, ν) ions

Autor: S. Fenistein, F. Mouchère, R. Marx, G. Mauclaire, Michel Heninger, J. Lemaire

Publikováno v: International Journal of Mass Spectrometry and Ion Processes. 172:129-135

The radiative relaxation of CO+(X2∑+, ν) ions produced by ionization of CO and of OCS with 70 eV electrons has been investigated using the monitor ion technique in a triple FT ICR spectrometer. Since the monitor reaction is exothermic for ν ≥ 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e5d3d797f1d5f08f0fc0e2f1c70b919
https://doi.org/10.1016/s0168-1176(97)00245-0

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Experimental determination of the radiative lifetimes of CF+(X1 ∑+,v) ions

Autor: R. Marx, J. Lemaire, G. Mauclaire, Michel Heninger, S. Fenistein

Publikováno v: International Journal of Mass Spectrometry and Ion Processes. :97-105

The internal energy content of CF+(X1∑+,v) ions and its time evolution have been probed using the monitor ion technique in a triple FTICR spectrometer. Vibrationally excited CF+ ions were produced by electron impact on CF3H. Charge transfer reactio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afb1a3597f1c4608c093ea153364afb6
https://doi.org/10.1016/s0168-1176(97)00154-7

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Radiative lifetimes for an ion of astrophysical interest: HCO+

Autor: G. Mauclaire, Michel Heninger, S. Fenistein, D.C. Parent, Joël Lemaire, R. Marx

Publikováno v: International Journal of Mass Spectrometry and Ion Processes. :487-497

Radiative lifetimes for vibrationally excited ground state HCO+ ions have been determined in a triple-cell FT-ICR spectrometer using the proton transfer reactions with HBr, N2O, HCl, CH4, CO2 and NO to probe the time evolution of HCO+ internal energy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::708b4554f725115bcb42e0bc290352bc
https://doi.org/10.1016/0168-1176(95)04282-p

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Experimental investigation of vibrational radiative lifetimes: H2O+ and D2O+ ions in their ground electronic state (X 2B1)

Autor: M. Heninger, R. Marx, S. Jullien, Joël Lemaire, G. Mauclaire, S. Fenistein

Publikováno v: The Journal of Chemical Physics. 101:1923-1929

Radiative lifetimes of vibrationally excited H2O+ and D2O+ ions in their ground electronic state (X 2B1) have been determined using the monitor ion technique in a triple cell ion cyclotron resonance spectrometer with Fourier transform detection. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47e3dd3967e9b75d980d61672b1144f1
https://doi.org/10.1063/1.467702

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