Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 675622 Isopropalin, 100 µg/ml, Ethyl acetate, 5ml Price on request MPFOA Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 675845 D3-TFNA, 100 µg/ml, Acetonitrile, 1ml Price on request