Perfluorooctane sulfonic acid

EPA Method 537 Internal Standard Primary Dilution Standard, in MeOH, 1,2ml

Perfluoropropionic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 378-77-8

2-Chlorophenol, 100 µg/ml, Methanol, 5ml