BTEX in Gasoline, 87 Octane Back Catalog number: 51146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682235 2,2',4,4'-Tetrahydroxybenzophenone, 500mg Price on request 94049 PAH Mix (16+Benzo(e)pyrene&Perylene), 100µg/ml in AL,1ml Price on request 8892.10 Bentazone-14C1, 0.25mCi, Solvent-, Unit , # of units-, Cas.no. Price on request