Selenium (Se) Back Catalog number: 58034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682295 1-Chloronaphthalene (technical), 1000mg Price on request 95113 n-Hydrocarbon Standard - EPH Price on request L13133000CY Endosulfan-sulfate 10 µg/mL in Cyclohexane, 10ml Price on request