Total Kjeldahl Nitrogen as N Back Catalog number: 50793 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15782500 Oxcarbazepine, certified, 50mg Price on request S673752-1MG Sodium Trifluoroacetate-13C2, 1mg Price on request 1089.22-200-TX10 Benzo[ghi]perylene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93951-66-7 Price on request