2,4-DB methyl ester

Tetraethyltin, 1000 µg/ml, Methanol, 5ml

n-Dodecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-40-3

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