Lead in oil

Dimethylamine, 90µg/mL, Solvent-TMA-free methanol, Unit 1mL, # of units-1, Cas.no. 124-40-3

2,3,3,3-Tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)-13C3-propanoic acid, 50µg/ml in MeOH, 1,2ml

N-Ethyl-N-(2-hydroxyethyl)nitrosamine,1000 µg/mL,acetonitrile,1mL