Halogens in liquefied gas with Metrohm Combustion IC and LPG/GSS module for sampling

This Note addresses the determination of the fluorine and chlorine content of a liquefied gas sample (LPG, Liquid Petroleum Gas), i.e. halogens in a mixture of propane and butane. Fluorine originates from perfluorobutane and chlorine from methyl chloride. LPG/GSS modules are used to introduce 50 µL of sample into the combustion system. The halogens released during combustion are determined using ion chromatography with intelligent partial loop injection technique following Inline Matrix Elimination.

Keyword: pyrohydrolysis

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