Ammonia as N Back Catalog number: 54213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13400-2410-100ME5 2,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml Price on request 0284.22-200-T 2-Phenylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4914-78-7 Price on request 1084.25-K-IO n-Nonadecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29136-19-4 Price on request