Selenium (Se) Back Catalog number: 57034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2972.14-100-IO 2,4'-DDT-d8, 100µg/ml in Isooctane, 1ml Price on request 95649 Alcohol Standard Price on request 675757 Disulfoton-sulfoxide, 100 µg/ml, Acetonitrile, 5 Price on request