Mass-Labelled PCDF/PCB Syringe Spike, 1.2ml, nonane

1,1-Dimethyl-d6-sulfamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3984-14-3

1-(Heptafluorobutyryl)imidazole, 1ml

Phenanthrene-d10,100 µg/mL,isooctane,1mL,