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

1,3-Dinitrobenzene, 250mg

C29 1-Methyl triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-28-1

Custom Nitrogen Set, 0,1,2,5,10,20,30ng/μL, 7x2ml