Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 38331 WI GRO / PVOC Price on request 53038 Interference Standards Set Price on request 676413 D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml Price on request