Nitrate as NO3-, 1000µg/ml in water, 100ml

(-)-Cannabidiol (Synthetic), 10mg

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3

n-Perfluorooctanoic acid