Perfluoro-4-ethylcyclohexanesulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFECHS Availability: In the manufacturer's stock Price on request - + Recommended 91853 EPA Method 8240A - Purgeable Surrogate Standard Price on request 71939 1,5-Cyclooctadiene Price on request 70002 Base/Neutrals Extractables Mix #2 - MISA Price on request