PCB Congener Internal Standard Mix

1-Methyl-4-benzylpiperazine hydrochloride,1000 µg base/mL,MeOH,1mL,

Baycarb

2,3,4-Tribromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 138507-65-0