Research Article
Fast Simultaneous Determination of Eight Sudan Dyes in Chili Oil by Ultra-High-Performance Supercritical Fluid Chromatography
Figure 4
The chromatograms (480 nm) of eight Sudan dyes of a blank sample solution (a), standard solution (b), and spiked sample solution (c): (A), Sudan I; (B), Para red; (C), Sudan II; (D), Sudan red G; (E), Sudan III; (F), Sudan red 7B; (G), Sudan red B; (H), Sudan IV.