Ammonia as (NH4+) Back Catalog number: 54212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8-B-234-CDF 8-Bromo-2,3,4-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request M338785-5MG Metoprolol Acid, 5mg Price on request 0435.14-K-IO 4,4'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 613-33-2 Price on request