Notes: Comprehensive Fatty Acid Methyl Ester Mixture 2 contains 37 saturated and mono- and poly-unsaturated fatty acid methyl esters. It is intended for use as a reference standard for the detection of fatty acids in various sample types by GC-MS. This mixture is supplied in an amber ampule in which the headspace has been purged with nitrogen/argon to prevent lipid oxidation. [Matreya, LLC. Catalog No. 2010]