Acid Surrogate Standard Back Catalog number: 22005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55144 CWA Minerals #1 Price on request 675504 Fenamiphos-sulfoxide, 10 µg/ml, Acetonitrile, 10 Price on request 2825.11-50-ME 11H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1765-48-6 Price on request