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Improved Analysis of Sulfur, Nitrogen, and Other Heteroatomic Compounds in Gasoline- and Diesel-Range Materials Using GC/Atomic Emission Detection (Application Note 228-394)

Abstract: An optimized procedure was developed for the analysis of sulfur and nitrogen compounds in gasoline- and diesel-range materials. The analysis is performed using an Agilent 6890 gas chromatograph (GC) configured with an Agilent G2350A atomic emission detection (AED) system. A 30-m x 0.32-mm, 1-um HP-1MS capillary column is used for separation. The method is applicable to low-sulfur gasoline and diesel fuels. Nitrogen compounds can also be determined. The method can be applied to other light gas oil fractions with final boiling points of approximately C25 (402 C, 756 F). The configuration meets the requirements for determining sulfur in gasoline by ASTM method D 5623. The procedure can be extended to also measure oxygenates, organolead, organomanganese, and organofluorine compounds.

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