Pentachlorophenol, 10µg/mL in MeOH, 10ml

alpha-Endosulfan, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 959-98-8

Cerium (Ce)

Perfluoro-n-[1,2-13C2]hexanoic acid, 50µg/ml in MeOH, 1,2ml