Perfluorooctanesulfonic acid, 100µg/mL in MeOH,1ml Back Catalog number: S-14002M1-1ML Availability: In the manufacturer's stock Price on request - + Recommended DFP-IS-B10 Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane Price on request 94827 RT Std C10 & C28 Price on request 1077.17-K-IO n-Undecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6742-54-7 Price on request