Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

n-Tetradecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-18-2

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

DL-Nornicotine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 5746-86-1