Perfluoro-n-butanoic acid, 1.2ml x 50ug/ml, methanol

Pentachlorophenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-86-5

Ytterbium (Yb)

Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml