Tebuthiuron, 10 µg/ml, Acetonitrile, 10ml

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 50µg/ml in MeOH, 1,2ml

2,3-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57383-80-9

Tritolyl phosphate (Tech)