Pentadecafluorooctanoic acid, 100 µg/ml, Methanol

Methyl parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 298-00-0

17ß(H),21 alpha(H)-(22RS)-Homohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-49-7

Nitrate as NO3-, 1000µg/ml in water, 100ml