Benzene and Toluene Calibration Blends Set

PCB No. 50, 100µg/ml in Isooctane, 1ml

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6

Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile,