With one tentative smile, she removed copper, tin and all other world shortages from his mind.

Subtractive methods, that remove copper from an entirely copper-coated board, used for the production of printed circuit boards:

They also remove copper, and could be used for at over 10 purification cycles without losing capacity.

For example, phosphoric acid may also be used to electropolish copper but it does this by removing copper, not the products of copper corrosion.

The following treatment method(s) have proven to be effective for removing copper to below the action level of 1.3 mg/L or 1.3 ppm: corrosion control.

(Neither preservationist actually witnessed the man removing copper from the roof, which did not help their case.)

Simple ones, like the ubiquitous Brita plastic pitcher and replaceable filter, reduce the taste of chlorine and remove most lead and copper.

Some professionally made circuit boards use a different method to remove extra copper from the circuit board.

The second highest crime category involves professional scrappers who have been vandalizing vacant properties and removing copper.

Penicillamine is used to remove excess copper associated with Wilson's disease.