We perform ethanol quality testing by Specification ASTM D4806, which covers anhydrous denatured fuel ethanol that is blended with gasoline. This specification covers nominally anhydrous denatured fuel ethanol intended for blending with unleaded or leaded gasolines for use as a spark-ignition automotive engine fuel. According to ASTM D4806, the only denaturants used for fuel ethanol shall be natural gasoline, gasoline components, or unleaded gasoline at the minimum concentration prescribed. Prohibited denaturants include methanol which does not meet the specified requirement, pyrroles, turpentine, ketones, and tars (high-molecular weight pyrolysis products of fossil or nonfossil vegetable matter).
This specification defines the standard tests used to define “acceptable” quality for E100 used for fuel blending. All ethanol blendstocks should be tested and certified to meet this specification.
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.
The following is a list of test methods we perform according to Specification ASTM D4806. To learn more about one of these tests, click on the test method number.
- ASTM D5501 – Ethanol & Methanol Content by GC
- ASTM D381 – Gum Content Test
- ASTM E203 – Water Content
or ASTM E1064 – Water Content - ASTM D7328 – Sulfate & Chlorides in Ethanol
or ASTM D7319 – Inorganic Chloride in Ethanol - ASTM D1688 – Copper in Water Test
- ASTM D1613 – Acidity in Volatile Solvents
or ASTM D7795 – Acidity in Ethanol - ASTM D6423 – pH of Ethanol Test
- ASTM D2622 – Sulfur by XRF Test
or ASTM D3120 – Sulfur Test
or ASTM D5453 – Sulfur Content Test
or ASTM D7039 – Sulfur Test - ASTM D7328 – Sulfate & Chlorides in Ethanol
or ASTM D7318 – Existent Sulfate
or ASTM D7319 – Existent Sulfate
