Historical Standard: UOP286-89 Free Sulfur in Distillates by Mercury Number

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    1. Scope

    This is a semi-quantitative method for determining free (elemental) sulfur or polysulfide sulfur dissolved in peroxide-free petroleum distillates. The lower limit of detection is a mercury number of 1, which is equivalent to approximately 1 mass-ppm.

    Citing ASTM Standards
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