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

2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1

2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

4-n-Hexylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21643-490-6