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

Calcium p-n-dodecylbenzenesulfonate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26264-06-2

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg

2-Phenyl-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-1, Cas.no. 716-79-0