4-Ethylphenol, 100 µg/ml, Methanol, 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

4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 593-49-7