Selenium (Se) Back Catalog number: 59960 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92943 EPA Method 526 Phenols Standard Price on request 683280 BAC-DDAC-Mix 1, 10.0 µg/ml, Acetonitrile, 10ml Price on request 681016 AP-Mix, , Acetonitrile/Water, 10ml Price on request