Total Kjeldahl Nitrogen as N Back Catalog number: 50794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58058 Cerium (Ce) Price on request C16045200 3-Phenoxybenzoic acid, certified, 0.1g Price on request 9785.9-100-ME DL-2-Fluoroamphetamine hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request