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Table 3

Methods for Sulfur in Ultra-Low Sulfur Fuels of Future
ASTM TEST METHOD TECHNIQUE RANGE 30 mg/kg
Gasoline
15 mg/kg
Diesel
r R r R
D 2622 WDXRF 3 mg/kg to 5.3 m% 3.8 7.4 3.4 6.7
D 3120 Microcoulometry 3 to 100 mg/kg 3.85 17.7 1.33 8.07
D 5453 UV Fluorescence 1 to 800 mg/kg 1.95 11.7 1.20 6.26
D 6920 Electrochemistry 1 to 100 mg/kg 4.7 22.8 3.1 15.6
r= repeatability
R=reproducibility

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