Copper content in a 2p coin
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Dear Sir or Madam,
I am the head of Chemistry in a Scottish Secondary school. One of my senior pupils is investigating methods of determining copper and iron in 2p coins.
We would be extremely grateful if you could supply us with a value for the mass of copper/ % copper in a copper plated steel 2p coin.
Kelso High School
Dear Mr Watson
I am writing in reply to your Freedom of Information request of 7 March.
Copper-plated steel 2p coins have a composition of 93% (??3%) mild steel and 7% (??3%) copper.
The Royal Mint