Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676642 D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Price on request 673187 Aclonifen, 100 µg/ml, Acetonitrile, 5ml Price on request 675677 Tetrachlorvinphos, 100 µg/ml, Ethyl acetate, 5ml Price on request