Total Kjeldahl Nitrogen as N Back Catalog number: 50794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1322.20-100-T 9-Fluorobenzo[k]fluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 113600-15-0 Price on request 672820 Carbaryl, 250mg Price on request 52146 Method 1640Mix A Price on request