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 90593 Aroclor 1221 Price on request 70594 Chlortoluron Price on request 59338 pH 10.0 Standard @ 25°C Price on request