Freon Mix Back Catalog number: 92377 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52033 Calibration Standard Mix 1 Price on request 10979.11-50AN N-(2-Hydroxyethyl)-N-methylperfluorooctane sulfonamide,50 µg/mL,acetonitrile,1mL, Price on request 55209 Hexavalent Chromium Price on request