Potassium (K) Back Catalog number: 59886 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1962.12-50-IOX20 2,2',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-20, Cas.no. 5436-43-1 Price on request 94240 Volatile Standard Price on request 95619 515.2 Acid Mix Price on request