Selenium (Se) Back Catalog number: 57134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673511 Chlorpyrifos-methyl, 10.0 µg/ml, Ethyl acetate, Price on request 95542 Ethyl acetate, 10mg/mL in water, 1ml Price on request 8643.12-50-T 1,2,3-Trichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request