Selenium (Se) Back Catalog number: 57034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10782.24-K-ME Tri-n-octyl phosphate (see also 9489.24),1000 µg/mL,MeOH,1mL, Price on request 0723.12-K-IO 1,4-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-58-4 Price on request 72275 (+/-)-alpha-Tocopherol acetate Price on request