Trace Metals Kit Back Catalog number: 53091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1627.8-100-ME Ethyl-ß-D-6-glucuronide-d5, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request X20950009CY PAH-Mix 9, 100 ng/µl, 10ml Price on request 51072 ASTM D-4815 Internal Standard Price on request