Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

Diphenyl isopropylphenyl phosphate, techn. isomer mixture,100 µg/mL,isooctane,1mL,

2,4,4’-Tribromodiphenyl ether, 50µg/ml in IO, 1ml

Methylphenylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-68-5