| Test Methods for Sulfur Determination in Petroleum Products |
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| ASTM METHOD |
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TECHNIQUE |
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COMMENTS |
| D 129 |
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Bomb combustion and precipitation |
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For products with >0.1m% sulfur |
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| D 1266 |
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Lamp combustion and wet chemistry |
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Labor intensive; not widely used |
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| D 1552 |
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High temperature combustion; iodate titration or IR detection |
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For non-volatile products |
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| D 2622 |
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Wavelength dispersive X-ray fluorescence |
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Expensive instrument but widely used
Sample – standard matrix must match
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| D 2784 |
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Oxyhydrogen burner or lamp combustion and wet chemistry |
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For LPG only |
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| D 3120 |
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Oxidative pyrolysis and microcoulometry |
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Poor precision; not widely used |
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| D 3246 |
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Oxidative pyrolysis and microcoulometry |
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For LPG only |
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| D 4045 |
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Hydrogenolysis and rateometric colorimetry |
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Not widely used |
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| D 4294 |
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Energy dispersive X-ray fluorescence |
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| Precision poor at low sulfur levels but widely used |
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| D 4927 |
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Wavelength dispersive X-ray fluorescence |
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Used for additives and lube oils |
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| D 4951 |
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Inductively coupled plasma atomic emission spectrometry |
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Used for additives and lube oils |
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| D 5185 |
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Inductively coupled plasma atomic emission spectrometry |
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Widely used for lube oils, and also additives |
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| D 5453 |
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High temperature combustion UV-fluorescence |
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Good precision; widely used |
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| D 6334 |
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Wavelength dispersive X-ray fluorescence |
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Sample – standard matrix must match |
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| D 6428 |
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Oxidative combustion electrochemistry |
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Not widely used |
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| D 6443 |
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Wavelength dispersive X-ray fluorescence |
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For lube oils and additives |
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| D 6445 |
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Energy dispersive X-ray fluorescence |
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Similar to D 4294 |
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| D 6667 |
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High temperature combustion UV-fluorescence |
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For LPG only |
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| D 6920 |
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Oxidative combustion electrochemistry |
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Similar to D 6428 |
