Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 67033 Fermentation Acids Standard Price on request MFDEA 2-Perfluorodecyl-[1,2-13C2]-ethanoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml Price on request 50793 Total Kjeldahl Nitrogen as N Price on request