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

n-Tricosane, ?13C: -26.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-67-5

Methyl butyrate

D5-Propachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml