2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1

n-Butyl n-octyl phthalate, techn.,1000 µg/mL,isooctane,1mL,

Perfluorooctylphosphonic acid, 50µg/ml in MeOH, 1,2ml

5,5-Diphenylhydantoin