kolling@decwrl.DEC.COM (Karen Kolling) (02/13/86)
> To clean your copper pans, try vinegar or lemon juice, plus salt. > The salt gives a bit of a scouring action, without scratching off > the copper. More than that, I think. Lemon juice alone is practically a no-op. I find it hard to believe lemon juice + salt is creating dilute HCL, since this stuff works on the copper but leaves hands intact, but it's doing more than just scouring.