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

Dibenzo[a,e]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5385-75-1

Metazachlor methylsulfoxide,100 µg/mL,acetonitrile,1mL,

Triasulfuron, 100mg