Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92161 EPA Method 505Mix Price on request 52105 Inorganic Disinfection By-Products (ClO3-/ClO2-), 1000µg/ml in Water, 100ml Price on request 1651.12-100-IO 1,1,1,3-Tetrachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14983-60-9 Price on request