Total Kjeldahl Nitrogen as N Back Catalog number: 50794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4-B-2378-CDF 4-Bromo-2,3,7,8-tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request BP-D7 Native PCB Congener Solution/Mixture, 10µg/ml in Nonane, 1,2ml Price on request 10414.4-K-ME Sodium DL-2-hydroxybutyrate Price on request