2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

Sodium 1H,1H,2H,2H-perfluoro(1,2-13C2)dodecanesulfonate (10:2), 50µg/ml in MeOH, 1,2ml

3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile,

Decabromobiphenyl, 35µg/mL in IO:AC (98:2), 1ml