2,4-TDI Derivative, 1000 µg/mL in DMSO, 1ml

Metribuzin, 1000µg/mL in MeOH, 1ml

Nitrogen Calibration Set-High Boiling Solvents, Blanc 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

Acetonitrile