Copper (Cu) Back Catalog number: 59258 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10413.4-K-ME Sodium DL-3-hydroxybutyrate-2,4-13C2 Price on request 40816 Benzo(k)fluoranthene Price on request 93679 Pesticide Standard, varied µg/mL in Acetone, 1ml Price on request