Potassium (K) Back Catalog number: 58019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M5PFPEA Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 1.2ml x 50ug/ml, methanol Price on request 98628 624B Internal / Surrogate Standard Price on request 722393 PAH-test mixture standard 94,05 €