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 681632 N-Methyl-2-pyrrolidone, 5ml Price on request 52044 Calibration Standard Mix 2 Price on request 682542 Probenecid, 100mg Price on request