Selenium (Se) Back Catalog number: 56034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9136.12-50-IO 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether,50 µg/mL,isooctane,1mL Price on request 673196 Amidosulfuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 52168 ICP-AES CRI, Soil Matrix, in 5% HNO3, 100ml Price on request