BOD Calibraton Standard

Metronidazole, 100 µg/ml, Acetonitrile, 1ml

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

17ß(H),21ß(H)-Hopane, 100µg/min Isooctane, 1ml