Analytical Instrumentation
Analysis of Sulphur Components in Various Liquid Petroleum Gases
Apr 09 2014
Bruker (USA) has developed a two-channel configuration for the low level analysis of sulphur containing compounds in liquid petroleum gases (LPG). LPG analysis is challenging as the system has to be inert and the column used must be able to separate the component of interest. In place of a standard Flame Photmetric detector (FPD), this system utilises dual Pulsed Flame Photometric detectors (PFPD) to greatly reduce quenching the sulphur signal in the presence of high hydrocarbon levels. A micro-gasifier in front of the injection valves enables the direct coupling of an LPG stream to the GC. The complete sample path is UltiMetal deactivated, ensuring an inert system preventing adsorption of sulphur components for a trouble free analysis. The two different columns, each equipped with a PFPD detector, ensure maximum flexibility and excellent separation, independent of the bulk component. The system demonstrated high repeatability for the analysis of low level sulphur-containing components.
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