Interference Standard 1

Ponceau 4RC (E124), certified, 0.1g

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate,50 µg/mL,MeOH,1mL,

N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulphonamide,neat,neat,10mg,