Multi-Element Internal Std., 10ug/ml, 4x25ml Back Catalog number: 52319 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 675105 Sodium p-n-undecylbenzenesulfonate, 10.0 µg/ml, M Price on request AC-SE30-030 Ethanol in serum control EtOH SE (3.0g/L), 10x3ml Price on request 10091.18-10MG Estrone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53-16-7 Price on request