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 673506 Chlorfenvinphos, 100 µg/ml, Ethyl acetate, 5ml Price on request 59411 Metals Mix Price on request 678340 Iprobenfos, 100mg Price on request