o-Anisidine,100 µg/mL,acetonitrile,1mL,

Primidone,1000 µg/mL,MeOH,1mL,

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

Imidacloprid guanidine hydrochloride, 100 µg/ml,