Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73424 2,3-Dihydrobenzofuran Price on request 2785.12-100-IO 3,3'-Dichlorobenzidine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-94-1 Price on request S-4513-100-5T Deuterated EPA PAH-mix, See S-solutions pricelist, Solvent-, Unit , # of units-, Cas.no. Price on request