Robust GC Analysis of Volatile Amines on the Rtx-Volatile Amine Column

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Volatile amines are used as gas-scrubbing agents to remove hydrogen sulfide from refinery gas streams, as well as for removing carbon dioxide during the production of ammonia. While accurate data on volatile amine content is vital for optimizing the manufacture of compounds from many different classes, GC analysis of volatile amines can be quite challenging due to their basic nature and high polarity. Because of these characteristics, volatile amines will interact with active sites in the analytical column and along the sample pathway, resulting in broad, tailing peaks that are difficult to accurately integrate.

This application note shows how Restek’s Rtx-Volatile Amine columns are a better alternative to base-modified polyethylene glycol or siloxane columns, which are sometimes used, as they offer greater stability and improved chromatographic performance for the GC analysis of volatile amines.

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