Quality Control of 11 Cannabinoids by Ultraperformance Liquid Chromatography Coupled with Mass Spectrometry (UPLC-MS/MS)

Figure 3

Extracted ion chromatograms in the positive (a) and negative (b) ionization modes of the matrix solution. UPLC-MS/MS chromatogram of analytical standards mixture at 10 ng/ml of the limit of quantification (LOQ).

(a)

(b)