Mass-Labelled PCB Internal/Recovery Standards, 1.2ml, nonane

4-Bromochlorobenzene, 20mg/ml in MeOH, 1ml

Silver (Ag)

2,2',3,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36559-22-5