Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52032 Calibration Standard Set Price on request 11727.12-100-IO 2,3',4,5,5'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 3007.10-K-IO 3,5-Dimethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15869-93-9 Price on request