Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFNA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1139.19-K-IO n-Nonadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-92-5 Price on request M-502A-R 502.2 Volatile Organic std., 0,2mg/ml in MeOH, 1ml Price on request 3806.10-K-IO Monoethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2306-33-4 Price on request