Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended M5PFPEA Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 91820 Methyl quinoxaline-2-carboxylate Price on request 70111 Dibenzo(a,e)pyrene Price on request