Fuel and Lubricant Testing

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ASTM D7039 - Sulfur in Gasoline, Diesel Fuel, Jet Fuel, Kerosine, Biodiesel, Biodiesel Blends, and Gasoline-Ethanol Blends by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry

We perform fuel quality testing by ASTM D7039 to determine the total sulfur content in gasoline, diesel, jet fuel, kerosene, biodiesel, and other fuels. ASTM D7039 uses monochromatic wavelength-dispersive X-ray fluorescence (MWDXRF) spectrometry. Knowing the sulfur content of diesel fuels, gasoline, and refinery process streams used to blend gasolines is important for process control and predicting and controlling operational problems such as unit corrosion and catalyst poisoning. This information is also useful when blending products to commodity specifications. Various federal, state, and local agencies regulate the sulfur content of some petroleum products, including gasoline and diesel. Unbiased and precise determination of sulfur in these products is critical to compliance with regulatory standards.

We also perform sulfur analysis by ASTM D129ASTM D2622ASTM D3227ASTM D4294ASTM D5623ASTM D5453IP 61IP 342ISO 3012, and UOP 163. These different test methods use different instruments or procedures or are used for certain sample types. Click on the test method number to learn more about each test.

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.