Phenkapton, 10.0 µg/ml, Acetonitrile, 1ml

4-n-Dodecylcyclohexanecarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 871325-02-9

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

Trimethoprim, >99%, 1g