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

2-Propanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-33-2

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 1.2ml x 50ug/ml, methanol

2,3-Benzofuran