Cerium (Ce) Back Catalog number: 57258 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0457.17-200-IO 1,3,4-Trimethylphenanthrene, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-45-2 Price on request C20000800 PCB No. 8 certified, 25mg Price on request 8623.44-10MG meso-Tetraphenylporphyrine, , Solvent-, Unit , # of units-, Cas.no. 20998-75-8 Price on request