Total Kjeldahl Nitrogen as N Back Catalog number: 50465 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1535.18-K-TX10 o-Terphenyl-d14, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 5142-76-6 Price on request MHCH-MXA Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Price on request C15970100 Pentachlorophenol 13C6, certified, 10mg Price on request