Total Iron (Fe II and Fe III) Back Catalog number: 54173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11933-10-50-AN N-?Ethylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL, Price on request 9398.20-5MG (+/-)-Citalopram-d4 hydrobromide (4-fluorophenyl-d4), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1219803-58-3 Price on request 1349.20-100-TX5 Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93952-01-3 Price on request