Pentafluoroethanesulfonic acid, 97%, 250mg

gamma-HCH, 250mg

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

2,2',3,4',5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,