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 H945928 7-Hydroxy Methotrexate-d3 Ammonium Salt, 1mg Price on request 3140.15-K-IO Pentadecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1002-84-2 Price on request PN-75S Octachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request