Helium is the go-to carrier gas for most gas chromatographers, but staying with this tried-and-true option may be costing both time and money as well as separation efficiency. The majority of gas chromatography methods were developed using helium carrier. Today, with the increasing cost and scarcity of helium, the alternative hydrogen or nitrogen carriers have become much more attractive. The latter is an obvious choice. Suitable N2 is readily available from laboratory gas generators, is completely inert, and has about the same flow characteristics as helium. However, hydrogen offers a number of advantages by comparison: better efficiency, lower pressure drop, and higher purity. In this webcast we will explore reasons for the deprecation of helium, and then we will examine the relative merits of each of these three primary GC carrier gases. How do requirements for carrier cost, time, efficiency, and safety come together in your lab? Please attend this event to learn more.
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