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Smee examines the action of chlorine upon the ferrocyanate of potassa [potassium ferrocyanide], and the conversion of the latter into ferrosesquicyanuret. He proposes methods for obtaining uncontaminated ferrosesquicyanuret. He includes an appendix detailing the action of the sodo ferrocyanate of potash on a series of metals.

Subject: Chemistry

Received 30 March 1840. Communicated by P M [Peter Mark] Roget.

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'On the ferrosesquicyanuret of potassium'.

Reference number
Earliest possible date
10 January 1840
Physical description
Ink on paper
Page extent
35 pages

Creator name

Alfred Smee

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Alfred Smee, Unpublished paper, 'On the ferrosesquicyanuret of potassium' by Alfred Smee, 10 January 1840, AP/23/41, The Royal Society Archives, London,, accessed on 20 April 2024

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  • Archived Papers

    Dates: 1768-1989

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

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