Retention Time Marker Standard

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

3-Methyl-4-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 5367-32-8

1-Naphthylacetic acid, 100 µg/ml, Acetonitrile,