Common Anions EPA 300A Mix Back Catalog number: 59994 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2827.14-50-ME Perfluorotetradecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 376-06-7 Price on request 11327.15-K-ME Oxcarbazepine,1000 µg/mL,MeOH,1mL, Price on request 97051 Formaldehyde Price on request