This method is used for the determination of sulfur in light liquid hydrocarbons, gasoline, diesels and their additives in the range from 3.0 to 1000 mg/kg in light liquid hydrocarbons and fuels with oxygenates boiling in the range from 26 to 274°C using oxidative microcoulometry.
Other materials falling within the distillation range noted above but having sulfur concentrations above 1000 mg/kg may be tested by this method using appropriate dilutions to bring them within the specified limit. The method also specifies that sample types outside the specified distillation range as diesels and biodiesels may be analyzed by this method.
Preliminary data has shown that this test method is applicable to the determination of sulfur in denatured fuel ethanol, automotive spark ignition engine fuel or gasoline-oxygenate fuel blends with greater than 10% ethanol but the precision for these materials has not been determined.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in method. |
| Preservatives: | None specified in method. |
| Required Preps: | None. |
| Collection Method: | Grab sampling |
| Analytical Methodology: | Oxidative microcoulometry |
| Documentation: | |
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Sulfur | S |
7704-34-9 |
3 |
mg/kg |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.