Selenium (Se) Back Catalog number: 57034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MCDE-3 4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 1353.2-1ML Tetrachloroethylene, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 127-18-4 Price on request 678342 Chlorfenapyr, 100 µg/ml, Ethyl acetate, 1ml Price on request