Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended TFA Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml Price on request 674547 Neburon, 100mg Price on request 2573.26-1MG Benzo[b]picene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 217-42-5 Price on request