Total Kjeldahl Nitrogen as N Back Catalog number: 50794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50413 Metals Mix 5B Price on request 3801.12-50-IO 3'-Fluoro-2,3,4,5,6-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29779-02-0 Price on request 675342 Malaoxon, 10.0 µg/ml, Cyclohexane, 10ml Price on request