2,4,5-T-iso-octyl ester, 100mg

Pentanoic acid (Valeric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 109-52-4

Isobutyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4247-02-3

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