Figure 12-11. Ultra-high performance supercritical fluid chromatographyemass spectrometry chromatograms of the separation of eight isomers of vitamin E. (A) High-resolution method. (B) High-speed method.

Reproduced from Pilařová, V., Gottvald, T., Svoboda, P., Novák, O., Benešová, K., Běláková, S., Nováková, L., 2016. Development and optimization of ultra-high performance supercritical fluid chromatography mass spectrometry method for high-throughput determination of tocopherols and tocotrienols in human serum. Anal. Chim. Acta 934, 252-265 with permission. Also see this reference for the details of the experimental study.

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