Diphenylamine, 100 µg/ml, Acetonitrile, 1ml

Rebaudioside A, 10mg

Flufenacet ESA sodium salt, 100µg/ml in MeOH, 1ml

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,