Ofloxacin, 100µg/mL in Acetonitrile, 1ml

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml

9,10-Diphenylanthracene

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