Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml

Heneicosafluoroundecanoic acid, 100mg

Fenamiphos sulfoxide, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31972-43-7

D6-Acetone, 100 µg/ml, Acetonitrile, 1ml