Oxidation Stability

ASTM D 2274 (Accelerated) measures diesel fuel storage oxidative stability. It is a weighed measure of the sediment filtered from the fuel after storage. Although the results of ATSM D 2274 may vary with actual field storage, it does measure characteristics in fuels containing no biodiesel that will affect fuel storage stability for periods of up to 12 months.

EN 15751 Rancimat Oxidation Stability measures oxidative stability in biodiesel, blends. Biodiesel blends have lower oxidative stability than 100% petroleum-based diesel fuel. For biodiesel blends, the test method must be run at 110ºC with a minimum oxidation induction time of 6 hours. This method is capable of measuring characteristics of biodiesel blends that will affect fuel storage stability for periods of up to 3 months. Due to the lower oxidative stability of biodiesel blends, they are not recommended for use in applications where fuel will be stored, either in bulk containers or in vehicle tanks, for more than 3 months.