1. UNE EN 14214:2013 V2: Liquid petroleum products - Fatty acid methyl esters (FAME) for use in diesel engines and heating applications - Requirements and test methods. European Committee for Standardization, 2013.
2. Metal and metalloid determination in biodiesel and bioethanol
3. UNE EN 14538:2006: Fat and oil derivatives - Fatty acid methyl esters (FAME) - Determination of Ca, K, Mg and Na content by optical emission spectral analysis with inductively coupled plasma (ICP OES). European Committee for Standardization, 2006.
4. UNE EN 14109:2003: Fat and oil derivatives - Fatty acid methyl esters (FAME) - Determination of potassium content by atomic absorption spectrometry. European Committee for Standardization, 2003.
5. UNE EN 14108:2003: Fat and oil derivatives - Fatty Acid Methyl Esters (FAME) - Determination of sodium content by atomic absorption spectrometry. European Committee for Standardization, 2003.