Sulfentrazone, 10.0 µg/ml, Acetonitrile, 10ml

n-Dodecane, ?13C: -32.54, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-40-3

Tris(4-chlorophenyl)methane-[13C19], 1.2ml x 50ug/ml, nonane

Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane