Selenium (Se) Back Catalog number: 56034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0715.12-K-IO 2-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 939-27-5 Price on request 15900-5340-100AN1 Dimethachlor CGA 369873, 100µg/ml in Acetonitrile, 1ml Price on request 2037.8-10MG Perfluorooctane sulfonic acid Price on request