Pyrimidifen, 100 µg/ml, Acetonitrile, 1ml

2,2',3,3',4,4',5,5'-Octabromobiphenyl, 1.2ml x 50ug/ml, nonane

2-Nitrofluoranthene, 100µg/ml in Toluene, 1ml

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