Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32641 1,2-Dichlorotrifluoroethane Price on request 94358 Aroclors 1248 & 1260 Price on request 10979.11-50AN N-(2-Hydroxyethyl)-N-methylperfluorooctane sulfonamide,50 µg/mL,acetonitrile,1mL, Price on request