GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10979.11-10MG N-(2-Hydroxyethyl)-N-methylperfluorooctane sulfonamide,neat,neat,10mg, Price on request 679332 2-Methylbenzophenone, 250mg Price on request 11371.8-500-AN Phenylmercury acetate,500µg/mL,acetonitrile,1mL, Price on request