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Separation of silver from acid

Separation of silver from acid

V600/0051

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Credit

GEORGE BERNARD / SCIENCE PHOTO LIBRARY GEORGE BERNARD / SCIENCE PHOTO LIBRARY

Caption

Separation of silver from acid solution. This process, called precipitation, occurs after silver has been separated from gold by dissolving it in acid. A flux (catalyst) is added to the solution, which when heated causes the silver to precipitate out. Taken from The Laws of Art and Nature, in Knowing, Judging, Assaying, Fining, Refining and Inlarging the Bodies of Confin'd Metals (1683), John Pettus, a translation of the work by Lazarus Ercken.

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