Ammonia as N, 100µg/ml in Water, 100ml Back Catalog number: 54123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1079.20-K-IO n-Tetradecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1459-10-5 Price on request 71273 2,6-Dimethylquinoline Price on request 98637 Acetonitrile Price on request