Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane

4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL,

Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93951-66-7

1,2,3-Trichloronaphthalene, 1.2ml x 50ug/ml, nonane