Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 10759.4-K-ME O,O-Diethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml Price on request 2000.12-10MG 2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg, Price on request 31352 Tetrachloroethene Price on request