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Paper describing the action that aqua regia has on oils, fats, and resinous materials, and in particular, describing its effect on gold. The author also describes how to return the 'oily gold' to solid gold by using quicksilver to amalgamate the gold and then evaporating the quicksilver away again.

Subject: Chemistry / Metallurgy

Read to the Royal Society on 5 February 1729.

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Ink on paper
Page extent
2 pages

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Paper, 'Memorandums about the gold dissoved in aqua regia' by unknown author, 1729, CLP/11ii/15, The Royal Society Archives, London,, accessed on 30 May 2024

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  • Classified Papers

    Dates: 1592-1741

    The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.

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