Copper (Cu) Back Catalog number: 59259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9496.18-K-IO Tris(2-butoxyethyl) phosphate,1000 µg/mL,isooctane,1mL Price on request 53050 Interference Standard 3 Price on request 676738 D10-Chlorpyrifos, 100 µg/ml, Acetone, 1ml Price on request