4-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml

2-(N-methylperfluoro-1-butanesulfonamido)ethanol, 1.2mL x 50ug/mL, methanol

4-Aminobiphenyl, 100 µg/ml, Acetonitrile, 1ml

2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,