Total Kjeldahl Nitrogen as N Back Catalog number: 54132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2593.34 Tetrabenzo[de,h,kl,rst]pentaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 188-13-6 Price on request 8960.21-100-ME 3-Chloro-1,2-propandiol-2-monostearate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request S-4051-20-10HW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request