Nitrite (NO2-) as N Back Catalog number: 50625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C17739300 Trichloroethene, certified, 1ml Price on request C12377900 3,3´-Dichlorobenzidine, 100mg Price on request M4M159 2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request