Difethialone, 10 µg/mL in Acetonitrile, 10mL

Rebaudioside A, 10g

4-Methoxy-2',3',4',5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml

Sodium perfluorohexylperfluorooctylphosphinate, 50µg/ml in MeOH, 1,2ml