| 摘要 |
A method of detecting the amount of sulfur compounds in fuels such as ultra low sulfur diesel (ULSD) fuels is provided in which a fuel sample is reacted with a solvent and an oxidizing agent to produce a reaction product which may be analyzed by visual observation and/or in combination with spectrophotometric or colorimetric analysis. The oxidizing agent may be selected from potassium permanganate, sodium dichromate, nitric acid, hydrogen peroxide, cumene hydroperoxide, and sodium hypochlorite, and may be used in combination with an acid.
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