WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

GC Suitability Test Sample Flavor Chemicals

533 Isotope Dilution PDS

2,2',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3075-84-1