Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended N-13121-1G Propyl alcohol, 1g Price on request 9361.3-KIT-N Butyl-/isobutyl phthalate Kit, neat (1226.16+8537.16+2102.16, 100mg each), , Solvent-, Unit Kit, # of units-1, Cas.no. Price on request 675301 Chlorfenvinphos, 100 µg/ml, Acetonitrile, 5ml Price on request