Selenium (Se) Back Catalog number: 57834 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4059-KIT Thiophene in Thiophene-free Benzene Units: 5x1mL in certan bottles, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C) Price on request 53159 CLP CRI Standard Price on request 34381 1,1,1,2-Tetrafluoroethane, 20mg/mL in MeOH, 1ml Price on request