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

Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 10mL, # of units-1, Cas.no. 57-88-5

Germanium (Ge)

Tetrachloroethene, 1000 µg/ml, Methanol, 1ml