Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 674839 Tebufenozide, 100mg Price on request 681510 Bisphenol A diglycidyl ether (technical), 100mg Price on request 71713 Citric acid Price on request