Potassium perfluoro(2-ethoxyethane)sulfonate, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFEESA Availability: In the manufacturer's stock Price on request - + Recommended 71540 2-Furaldehyde (Furfural) Price on request 70365 4-Dimethylaminoazobenzene Price on request EN-1948CVS European Method EN-1948 Calibration Kit, 6 x 500ul, nonane Price on request