Spiking Standard 4 Back Catalog number: 58651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended KBIO-EBG-15ML ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL Price on request N-13091-1G Pristane , 1g Price on request 683726 Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml Price on request