Di-n-butyl sulfide, as S, 25mg/L

Indeno[1,2,3-cd]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 193-43-1

Conductance @ 20°C

Morphine-6-β-D-glucuronide, 1000µg/ml in H2O:MeOH (80:20), 1ml