18O4-Sodium perchlorate, 100 µg/ml, Water, 1ml

bis(2-Ethylhexyl)terephthalate

2-Perfluorooctyl-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml

Hexanoic acid, 1000µg/ml in Water, 1ml