502.2 Volatile Organic std., 0,2mg/ml in MeOH, 1ml

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

2,2',5,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41464-41-9

2-Ethylhexyl diphenyl phosphate, 100 µg/ml, Metha