Chlorbromuron, 100µg/mL in Acetonitrile, 1ml

Perfluorooctane sulfonic acid, potassium salt,50 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

2-tert-Butyl-4-methylphenol, 100mg