Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

2,2',3,3',4,5',6,6'-Octachlorobiphenyl (201)

2,6-Dichloro-4-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 17742-69-7

Nortriptyline hydrochloride