Perfluoro-n-hexanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFHXA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended MBP-77 3,3',4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 676761 Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml Price on request 93932 EPA 505 Pesticide Standard Price on request