Mixed Calibration Standard 5 Back Catalog number: 53057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2143.6-1ML Diisopropyl ether, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 108-20-3 Price on request 2834.5-50-ME 5H-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-72-7 Price on request MPFOS Sodium perfluoro-1-[1,2,3,4-13C4]octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request