Cation Standard Back Catalog number: 50122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AC-SE10-030 Ethanol in serum control EtOH SE (1.0g/L), 10x3ml Price on request 9498.13-100-ME Propyphenazone-d3 (2N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 162935-29-7 Price on request 677679 Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10ml Price on request