Semi-Volatile Standard

2,2',5,6'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60044-25-9

Metoprolol tartrate, 100 µg/ml, Methanol, 1ml

2-Methyl-1-[4-(1-methylethyl)phenyl]-1-propanone, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 72846-62-9