Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 59476 Sodium Carbonate (Na2CO3) Price on request 79647 Tetraethyllead Price on request EPA-1613LCS Labelled Compound Stock Solution, in Nonane/3.2% toluene, 1,2ml Price on request