Mass-Labelled PCB Solution/Mixture - 1.2ml in nonane, which contains the following;

MASS-LABELLED PCB CONGENERSIUPAC(ng/ml)
3,3',4,4'-Tetrachloro[13C12]biphenyl77L100
3,4,4',5-Tetrachloro[13C12]biphenyl81L100
2,3,3',4,4'-Pentachloro[13C12]biphenyl105L100
2,3,4,4',5-Pentachloro[13C12]biphenyl114L100
2,3',4,4',5-Pentachloro[13C12]biphenyl118L100
2',3,4,4',5-Pentachloro[13C12]biphenyl123L100
3,3',4,4',5-Pentachloro[13C12]biphenyl126L100
2,3,3',4,4',5-Hexachloro[13C12]biphenyl156L100
2,3,3',4,4',5'-Hexachloro[13C12]biphenyl157L100
2,3',4,4',5,5'-Hexachloro[13C12]biphenyl167L100
3,3',4,4',5,5'-Hexachloro[13C12]biphenyl169L100
2,2',3,3',4,4',5-Heptachloro[13C12]biphenyl170L100
2,2',3,4,4',5,5'-Heptachloro[13C12]biphenyl180L100
2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl189L100