Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 82446 Alcohol Standard 5, 10mg/ml in Water, 1ml Price on request 678391 Dieldrin, 100 µg/ml, Acetonitrile, 5ml Price on request 71669 2,3,4-Trichloroanisole Price on request