Ammonium as NH3 Back Catalog number: 50797 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2737.13-K-IO 1-n-Propylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2765-18-6 Price on request 59594 ICP-MS Mix #1 Price on request CBP-2-D 2-Chlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide Price on request