0.10M NaOH Standard Reagent Back Catalog number: 52401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2559.8-50-ME 1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2 Price on request 52072 Spiking Standard 3 Price on request 91869 Aroclor 1248 Price on request