LC/MS Analysis of Sudan Dyes and Capsaicinoids in Chili Sauce on Chromolith^® CapRod RP-18 endcapped

column

Chromolith CapRod RP-18, 15 cm x 0.1 mm I.D., 2 μm particles (1.50402.0001)

mobile phase

[A] 0.1% formic acid in water; [B] 0.1% formic acid in acetonitrile

gradient

35 to 95% B in 12 min

flow rate

1.24 μL/min

pressure

1160 psi (80 bar)

column temp.

ambient

detector

nano-ESI(+) 100-600 m/z

injection

2.5 nL