AOAC 2018 Methods

Figure 2018.11 . LC-DAD-QTOFMS records of a solvent standard (2.5 µg/mL). (A) LC-UV chromatogram (λ 240 , uncorrected). (B) LC- UV chromatogram (λ 240 , reagent blank-corrected). (C) Full MS total ion current chromatogram (m/z 100-1000).

(b) DAD Data Acquisition.

1. UV spectra acquisition range: 2. UV spectra acquisition step: 3. Quantification wavelength: 4. Quantification bandwidth:

200-400 nm

2 nm

240 nm 10 nm 2.5 Hz 360 nm

5. Acquisition rate:

6. Reference wavelength: 7. Reference bandwidth:

100 nm (c) MS Data Acquisition and Operating Conditions. —MS data acquisition combined full MS and targeted MS/MS experiments using parameter settings provided below. In MS/MS