EPA Method 8240A - Ketones Back Catalog number: 82415 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B405515 2’,4-Bis(aminophenyl)methane, 250mg Price on request 3486.11-100-AN Pirimiphos-methyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 29232-93-7 Price on request TFA Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml Price on request