Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54508 Bromate (BrO3-) Price on request 8922.19-K-ME Methyl dodecylbenzenesulfonate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 52319-06-9 Price on request 676979 D7-Atenolol, 100 µg/ml, Acetonitrile, 1ml Price on request