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 3,6-OPFHPA Perfluoro-3,6-dioxaheptanoic acid (NFDHA), 1.2ml x 50ug/ml, methanol Price on request 676401 3,5-Dichlorotoluene, 100mg Price on request 71907 1,1-Difluoroethylene, 1000µg/ml in MeOH, 1ml Price on request