1,2-Dibromopropane, 100µg/ml in MTBE, 1ml

Naproxen, 250mg

Sodium 1H,1H,2H,2H-perfluorooctane sulfonate (6:2), 50µg/ml in MeOH, 1,2ml

2,2',3,3',4,5,5'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,