A new rapid method for analytical control of sulfur compounds in hydrocarbon media using test agents has been developed. The method is based on the interaction of an indicator (solid-phase reagent) with sulfur-containing compounds and the subsequent detection of the product by linear-colorimetric and spectrophotometric means. A new rapid method with spectrophotometric and colorimetric detection has also been developed for quantitative determination of sulfur- and nitrogen-containing substances simultaneously present in hydrocarbon media.