Nitrite (NO2-) as N Back Catalog number: 50625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3471.13-100 Pendimethalin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 40487-42-1 Price on request 95275 PCB Mix 3.0 ppb Price on request 23005 Acid Surrogate Standard Price on request