4,4'-Thiodianiline,100 µg/mL,acetonitrile,1mL,

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

Dibenzyl disulfide

Cashmeran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33704-61-9