Total Kjeldahl Nitrogen as N Back Catalog number: 54132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1672.8-K-IO 1,2,7,8-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-19-0 Price on request 50736 Ammonia as NH3 Price on request 73475 2-Phenoxypropanol Price on request