Ammonia as (NH4+) Back Catalog number: 50631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3483.10-100 Phosphamidon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 13171-21-6 Price on request 3495.13-10MG 3-Hydroxy-1H-phenalen-1-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5472-84-4 Price on request 2639.27-5UG 17ß(H)-22,29,30-Trisnorhopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 51271-94-4 Price on request