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 94731 3,3’-Dichlorobenzidine Price on request 96537 Butalbital Price on request 56052 Tellurium (Te) Price on request