Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended PFOS-001S Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Price on request 678443 Naled, 100 µg/ml, Acetonitrile, 5ml Price on request 675503 Fenamiphos-sulfone, 10.0 µg/ml, Acetonitrile, 10 Price on request