Ammonia as N Back Catalog number: 50464 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59823 Conductance @ 20°C [500 µmho/cm] Price on request 690058 Sintofen, 25mg Price on request 0454.4-150-CYX10 GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. Price on request