Total Kjeldahl Nitrogen as N Back Catalog number: 54011 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32961 1,4-Dichlorobutane Price on request 50611 Chloride 5.0 µg/mL (Cl-) Price on request 3832.6.KIT ISO 7981-2 Single substance Kit, 10µg/mL, Solvent-acetonitrile, Unit 6x1mL, # of units-, Cas.no. Price on request