This method is for the determination of sulfur in petroleum products including lubricating oils containing additives, and in additive concentrates. The method is applicable to samples boiling above 177°C (350°F) and containing not less than 0.06 mass % sulfur.
The method includes three procedures for the testing. Two of the procedures use iodate detection and one uses and an induction furnace for pyrolysis and the other a resistance furance. The third procedure uses IR (infrared) detection following pyrolysis in a resistance furnace.
Petroleum coke containing up to 8 mass % sulfur can be analyzed.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in the method. |
| Preservatives: | None specified in the method. |
| Required Preps: | None |
| Collection Method: | Grab sampling |
| Analytical Methodology: | Pyrolysis and iodate and IR detection |
| Documentation: | |
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Sulfur | S |
7704-34-9 |
0.06 |
% |
* 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.