13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml

Freshwater harbour sediment - PAHs, 40g

Promethazine hydrochloride,1000 µg base/mL,DMSO,1mL

1,4-Dichlorobenzene-d4, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 3855-82-1