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

1,2,3,4-Tetrachlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 634-66-2

Dibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Saturated Fraction GC Control Set (S-4012 + S-4020)