Nitrite (NO2-) as N Back Catalog number: 54559 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93126 EPA Method 622/8140 - Analytes Price on request 1608.12-50-IO 3-Bromo-4'-fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50904-38-6 Price on request 59401 ICP Mix #3 Price on request