HPLC ANALYSIS OF SOLVENT-YELLOW-124 - THE MARKER IN DIESEL OIL

A method for the analysis of Solvent Yellow 124, a new marker added in diesel oil and sold in Sweden is presented. The method we describe in volves analysis by HPLC oil a normal phase column. The diesel samples were injected directly onto the column. No enrichment of the marker pr ior to analysis was necessary and quantitative analyzing was possible at concentrations above 0.05 mg/L. The quantitative analysis was impro ved by the use of an internal standard (Pigment Yellow 3). The use of toxic solvents in the mobile phase was avoided.