Perdeuterated Internal Standard-All-in-one 15 EU Priority PAHs

2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Benzidine

1-Nitronaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 80789-77-1