Flow-modulated GCxGC Solutions for Hydrocarbon Group-type Analysis of Diesel and Jet Fuels Including Detailed Speciation of FAME Compounds - Presented by PAC at PEFTEC 2015

This presentation from PEFTEC 2015 covered comprehensive GCxGC technology which is a powerful tool in analyzing mid-distillate streams. It provides a full group-type PiPNA analysis of jet fuel, diesel and biodiesel blends including FAME's using a modified flow modulated design. The analyzer uses a reversed phase technique to get the best separation, i.e. the first dimension column is highly polar and the 2"d dimension column is non-polar and an FID for detection. The system can also analyze biodiesel blends containing FAME's originating from shorter chain vegetable oils such as coconut. Quantification is done using theoretical relative response factors for the hydrocarbons and an external calibration for obtaining the FAME response factors.

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