Fig. 1

a Overlay of the response of blank hemp matrix (red) and propiconazole (green) at a level of 0.1 μg/g in the hemp matrix showing the matrix interference with a MRM transition of 342.1 to 69. b Overlay of the response of blank hemp matrix (red) and propiconazole (green) at a level of 0.1 μg/g in the hemp matrix demonstrating no matrix interference with a MRM transition of 344.1 to 69