Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 30141R Aldicarb Price on request 9127.12-K-ME Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1257647-76-9 Price on request PFNA Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Price on request