Internal Standard ICP-MS (200.8)

1H,1H,2H,2H-Perfluorohexanesulfonic acid, 10mg

3-Methylundecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1002-43-3

Zolpidem tartrate, 100 µg/ml, Methanol, 1ml