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

1,2,5,6,9,10-Hexabromocyclododecane, 1000µg/ml in Toluene, 1ml

Aldehyde Mix

5-Fluoro-2,3-dimethylbenzothiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.