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

3,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

n-Octanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

L-(+)-Lactic Acid-13C3 Sodium Salt, 5mg