Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 57234 Selenium (Se) Price on request 70228 Nitrobenzene, 1000µg/ml in MeOH, 1ml Price on request 11140.9-50-T 1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL, Price on request