PAH Native Stock Solution, 1.2ml, toluene

N-ethylperfluoro-1-octanesulfonamidoacetic acid isomeric mixture, 50µg/ml in MeOH, 1,2ml

2,2',3,4,5,5'-Hexachlorobiphenyl

2-Naphthol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 135-19-3