Iohexol, 100 µg/ml in Acetonitrile, 5ml

2,2',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-27-1

Phosmet, 100 µg/ml, Ethyl acetate, 5ml

2-(N-ethylperfluoro-1-octanesulfonamido)-ethanol, 50µg/ml in MeOH, 1,2ml