Spiking Standard 3

Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol

9-trans-Octadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-79-8

Quaterrylene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 188-73-8