Ammonia as (NH4+) Back Catalog number: 59979 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8506.15-K-IO 1,1,1,3,14,15-Hexachloropentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 90617 Ethanol, 2000µg/ml in Water, 1ml Price on request 91101 Cyclohexanone Price on request