Trichloroacetic acid sodium salt, certified, 0.25g

6:2 DiPAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. 57677-95-6

4-n-Heptylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 38350-87-7

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