Copper (Cu) Back Catalog number: 59259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 6164-3-3L:250MG Pentafluoroethanesulfonic acid, 97%, 250mg Price on request 93559 BHA & BHT Mix #1 Price on request 90871 1,4-Dioxane Price on request