2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

Metoprolol tartrate, 250mg

Aminopyralid, certified, 0.1g