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DTSTAMP:20260411T034545
DTSTART:20190123T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/849275-conference-de-
 chimie-avec-le-professeur-kevin-thurbide-university-of-calgary
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Conférence de chimie avec le Professeur Kevin Thurbide\, Universit
 y of Calgary
DESCRIPTION:Titre: New Approaches for the Separation and Detection of Sulfu
 r-Containing Compounds
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\nEmdroit: Pavillon Roger-Gaudry\, Salle G-81
 5
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\nHôte: Jean-Francois Masson
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\nRésumé: Sulfur compounds ex
 ist in a variety of forms and concentrations in many different target area
 s from food and beverage additives to chemical warfare agents. In petroleu
 m products they are often present in lubricants\, crude oils\, different g
 rades of fuel and others. Since their combustion can lead to undesirable d
 amage to engines and the environment\, they are routinely analyzed as part
  of industrial optimization and regulatory compliance processes. While num
 erous methods are available for the determination of such sulfur compounds
 \, gas chromatography with selective detection is one of the most popular 
 of these approaches. The flame photometric detector (FPD) is a very well-k
 nown and widely used selective detector for this purpose.
\nHowever\, its 
 major limitations include the severe signal quenching that occurs from co-
 eluting hydrocarbons and the lack of a uniform response over a range of co
 mpounds. We have been addressing these issues through developing new analy
 tical methods for sulfur analysis. In one area\, we have introduced a nove
 l Multi-Flame Photometric Detector that can significantly improve upon the
  performance of this device in several different ways and open an effectiv
 e pathway to its incorporation into microfluidic GC platforms. In another\
 , we have been developing a novel water stationary phase method that can o
 ffer much better separations of sulfur analytes within such matrices and e
 nhance their detection by conventional FPD. This seminar will present an o
 verview of these approaches and their operating characteristics will be di
 scussed.
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\nSite Web du professeur
\nAnnonce PDF de la conférenc
 e
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