Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38351 WS EDB, DBCP, TCP Price on request 673599 Fluazifop-butyl, 10 µg/ml, Ethyl acetate, 10ml Price on request PN-24S 1,4,6-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request