Standard Test Method for Determination of Free and Total Glycerin in Biodiesel Blends by Anion Exchange Chromatography


Importancia y uso:

5.1 Petroleum-based diesel may be blended with biodiesel. High levels of free glycerin in biodiesel can cause injector deposits (“gel effect”), as well as clogging fuel systems. High levels of unreacted glycerides can cause injector deposits and can adversely affect cold weather operation and filter plugging.

Subcomité:

D02.04.0C

Referida por:

D8149-20

Volúmen:

05.04

Número ICS:

75.160.20 (Liquid fuels)

Palabras clave:

biodiesel blends; free glycerin; glycerin; ion chromatography; total glycerin;

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Norma
D7591

Versión
25

Estatus
Active

Clasificación
Test Method

Fecha aprobación
2025-10-01