n-Butyl acetate, 1000µg/ml in MeOH, 1ml

3,3',4,5,5'-Pentachlorobiphenyl (127)

Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane

2,2',6,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 15968-05-5