Selenium (Se)

EPA Method 508/608 Pesticide Standard

2-(N-methyl-d3-perfluoro-1-octanesulfonamido)ethan-d4-ol, 50µg/ml in MeOH, 1,2ml

9-Chloro-9H-fluorene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 6630-65-5