Standard Test Method for Determination of Ethanol and Methanol Content in Fuels Containing Greater than 20 % Ethanol by Gas Chromatography

Importancia y uso:

5.1 This test method provides a method of determining the percentage of ethanol in an ethanol-gasoline fuel blend over the range of 20 % by  mass to 100 % by mass for compliance with fuel specifications and federal or local fuel regulations.

5.2 Ethanol content of denatured fuel ethanol for gasoline blending is required in accordance with Specification D4806.

5.3 Ethanol content of ethanol fuel blends for flexible-fuel automotive spark-ignition engines is required in accordance with Specification D5798.

5.4 This test method is acceptable for determining the percentage of ethanol for either denatured fuel ethanol or undenatured ethanol for use in industrial applications using Table 3(a) or Table 3(b).

5.4.1 Refer to local, federal, or other authorities having jurisdiction for information regarding the correct implementation of either Table 3(a) or Table 3(b).

5.4.2 Specific regulatory requirements for U.S. domestic fuel applications are given in Appendix X5 for information.

Subcomité:

D02.04.0L

Referida por:

D7794-21, D7717-11R21, E3050-24, D5798-21, D4806-21A, D4806-21A, E3237-24, D4806-21A

Volúmen:

05.02

Número ICS:

75.160.20 (Liquid fuels)

Palabras clave:

E85; denaturant; denatured; ethanol; ethanol concentration; fuel ethanol; gas chromatography; methanol;