Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

(1R,2S,3R,4S)-rel-1,2,3,4-Tetrahydro-phenanthrene-1,2,3,4-tetrol, , Solvent-, Unit , # of units-, Cas.no. 697287-37-9

Endosulfan sulphate

1-Methylpyrene, 100mg