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 56029 Copper (Cu) Price on request 675959 1-(3,4-Dichlorophenyl)urea, 10 µg/ml, Acetonitril Price on request 3431.9-K-ME MCPA,1000 µg/mL,MeOH,1mL, Price on request