Spike Sample Standard 1 Back Catalog number: 52028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676791 4-tert-Octylphenol-di-ethoxylate, 1 µg/ml, Aceton Price on request 54660 MBAS - Alkylbenzene Price on request 1071.17-K-IO n-Undecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54105-66-7 Price on request