Potassium perfluoro-1-octanesulfonate, 50µg/ml in MeOH, 1,2ml

Metformin, 1000μg/ml in MeOH, 1ml

Perylene

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB