Mass-Labelled PCDD/PCB Sampling Spike, 1.2ml, nonane Back Catalog number: DFP-SS-A Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72345 1-(3,5-Dichlorophenyl)urea Price on request 52332 ICP-MS Internal Standard Mix, 100mL Price on request 2744.12-50-IO 2,4,6-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-33-0 Price on request