Multi-Element Calibration for ICP-MS Back Catalog number: 50247 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9267.22-25-AN U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 680508 Chlorzoxazone, 100mg Price on request 94990 PCB Congeners Price on request