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News :: 02/18/2015

The Practical Impact of the Use of Alternative Carrier Gases for Gas Chromatography

MFM for the calibration of respiratory modules

Leister Corporate, Axetris, Mass Flow Devices

This Gases & Instrumentation article highlights the use of Hydrogen and Nitrogen as an alternative to Helium.

This Gases & Instrumentation article highlights the use of Hydrogen and Nitrogen as an alternative to Helium.

Helium is currently the most used carrier gas for gas chromatography. Helium is inert, non-flammable and has favorable chromatographic efficiency behavior. However, it is not easy available in some regions of the world and its costs are rising. Therefore the use of alternative carrier gases is intensively discussed.

In this Gases & Instrumentation article published in September/October 2014, L. N. Polite from Axion US investigates the relative advantages and disadvantages of Hydrogen and Nitrogen as alternatives to the use of Helium.

This is where Axetris MFC 2022 mass flow controllers come in: Thanks to their high dynamic range of > 1:1000 and their multigas capability, the Axetris MFC 2022 are able to support Helium, Hydrogen and Nitrogen as carrier gases in one and the same device. This allows customers to easily design instruments which support all three carrier gas options.

Read the full article (PDF)

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