The concentration of elemental sulfur in gasoline is determined by polarography in acetate containing toluene/methanol electrolyte. The determination is linear up to 2 mg/L with respect to the concentration of elemental sulfur in the measuring vessel. Organic sulfur compounds are not detected with this method. The method is not suitable for diesel fuel, because diesel is not completely soluble in the electrolyte used. The gas wash bottle (6.2405.030) for inert gas supply has to be filled with supporting electrolyte.


Metrohm USA

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