Perfluoro-n-dodecanoic acid, 1.2ml x 50ug/ml, methanol

EPA Method 502/524 Fortification Solution

Gibberellin A1, 1mg

9H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 76-21-1