Copper (Cu) Back Catalog number: 57429 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70016R Aroclor 1221 Price on request 82515 EPA Method 8250 - Acid Matrix Spiking Solution Price on request 1746.9-K-IO 3-Methylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21535-97-7 Price on request