Hexachlorobenzene, 100 µg/ml, Methanol, 5ml

Antimony (Sb), 1000µg/ml in 2%-HNO3/Water, 100ml

Trimethoprim, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 738-70-5

n-Docosane, ?13C: -30.35, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-97-0