There is some debate to modify the definition to include other products, such as FattyĪcid Ethyl Esters (FAEE), where the methanol can be replaced by bioethanol, givingĪ product that is fully biological. Government regulations define biodiesel as Fatty Acid MethylĮsters (FAME), which is the result of reaction of fatty acids with methyl alcohol. Is defined in the European Union in the technical regulation EN 14214 or in the United Of fatty acids which can be derived from vegetable oils, animal fats and algae. Participation in ASTM International is open to all with a materialīiodiesel is a renewable fuel for diesel engines. ASTM standards are developed by more than 30,000 ASTM members who are technicalĮxperts representing producers, users, consumers, government and academia from more Best in class practices are used for standards development andĭelivery. The society is a reliable source for technical standards for materials, products, Is one of the largest voluntary standards development organizations in the world. High fuel acidity is linked with corrosionĪSTM International, originally known as the American Society for Testing and Materials, The maximum acid number forīiodiesel must be no more than 0.8 mg KOH/g. It is expressed as mg KOH required to neutralizeġg of biodiesel. ![]() Acid number, also referred to as acid value, is a measure of the amount of mineralĪcids and free fatty acids in a sample.
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