13C NMR of FAME Biodiesel

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Below are examples of 13C NMR data obtained on biodiesel (FAME) and the vegetable oil precursor that it was made from by transesterification process involving microwave activation of the reaction between triglycerides and methanol in the presence of a caustic catalyst. Process NMR Associates is developing correlations between 13C NMR data and biodiesel properties stipulated in ASTM 6751.