2,2’,3,5’-Tetrachlorobiphenyl (44)

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

EPA Method 515 Herbicide Methyl Esters

Nortriptyline-d3 hydrochloride (N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 203784-52-5