"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane

n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1120-21-4

2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

PSA-Mix 3