Thymolphthalexon, 2g

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

2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1

2-Naphthol, 500mg