2,4-Dimethylphenol, 100 µg/ml, Acetonitrile, 1ml

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

9-Methylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1484-12-4

Isophorone-DNPH