Conversion of the Agilent EI GC/MSD Systems from Helium to Hydrogen Carrier Gas

Event Date: October 09, 2012
Time: 11:00 a.m. EDT / 10:00 a.m. CDT / 8:00 a.m. PDT / 15:00 GMT


For years the analytical community has heard rumors related to shortages in helium supply and pending disruption of day-to-day activities due lack to helium availability. In 2012, rumor became reality as many consumers of analytical grade helium received notification about increased pricing, that suppliers may not be able to deliver contracted volumes, or that helium deliveries would be delayed or suspended. In response to this news, GC/MS analysts have considered alternate carrier gases to helium.

Along with considerations regarding system safety and leak detection, analysts must recognize the differences with using hydrogen carrier, plan for method adaptation, optimization and validation, and required change to SOPs. This presentation will review steps recommended for converting EI GC/MS methods from helium to hydrogen carrier gas including hardware optimization, analyte stability, consideration for column and chromatographic conditions, and potential change to analytical sensitivity.
Featured Speaker

Bruce Quimby , Ph.D., Senior Applications Chemist, Gas Phase Division Solutions Group, Agilent Technologies


Stephen K. Ritter, Ph.D., Senior Correspondent, C&EN

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