Unpublished paper, 'On ammonia in the urine in health and disease' by C [Charles] Meymott Tidy and W Bathurst Woodman
Reference number: AP/54/14
Date: 1872

Description
The authors refer to the researches of Andrews, Clark, Neubauer and Vogel, and others on the presence of ammonia as a constant constituent of healthy urine, Neubauer regarding 10.8 grains per diem as the average normal excretion. After numerous experiments, the authors regard this quantity as excessive, and suggest some reasons for this discrepancy. The method adopted by the authors is as follows: the freshly passed urine is to be first diluted with a given bulk of distilled water, sufficient to destroy all apparent colour, a known quantity of the urine being taken in each case. To these is to be added an excess of Nessler’s solution, and then compared with the tint-depth produced by known quantities of ammonia in a similar bulk of liquid treated with the same solution. The trace of ammonia in the water itself must be always allowed for. The external temperature in the observations was always about 62°.
Subject: Medicine / Sanitary chemistry / Pathology
Received 16 April 1872. Read 30 May 1872. Communicated by Thomas Blizzard Curling.
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 20 of the Proceedings of the Royal Society as 'On ammonia in the urine in health and disease'.
- Reference number
- AP/54/14
- Earliest possible date
- 1872
- Physical description
- Ink on paper
- Page extent
- 23 pages
- Format
- Manuscript
Creator names
Charles Meymott Tidy
William Bathurst Woodman
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Citation
Charles Meymott Tidy, William Bathurst Woodman, Unpublished paper, 'On ammonia in the urine in health and disease' by C [Charles] Meymott Tidy and W Bathurst Woodman, 1872, AP/54/14, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_54_14/unpublished-paper-on-ammonia-in-the-urine-in-health-and-disease-by-c-charles-meymott-tidy-and-w-bathurst-woodman, accessed on 13 July 2025
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Related Publications
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I. On ammonia in the urine in health and disease External link, opens in new tab.
Date: 31st December 1872
DOI: 10.1098/rspl.1871.0070
Related Records
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Referee's report by Heinrich Debus, on a paper 'On ammonia in the urine in health and disease' by C Meymott Tidy and W Bathurst Woodman
Creator: Heinrich Debus Reference number: RR/7/217 -
Letter from W Bathurst Woodman, on his paper 'On ammonia in the urine in health and disease' by himself and C Meymott Tidy to Thomas Blizard Curling
Creator: Thomas Blizard Curling Reference number: RR/7/218 -
Letter from Thomas Blizard Curling, on his paper 'On ammonia in the urine in health and disease' by C Meymott Tidy and W Bathurst Woodman to the Secretary of the Royal Society
Creator: Thomas Blizard Curling Reference number: RR/7/219
Hierarchy
This item is part of:
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Archived papers: volume 54, scientific papers submitted the Royal Society unpublished or abstracted, 1867, 1871-1872
1872 Reference number: AP/54
Related Fellows
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Thomas Blizard Curling
Communicator
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Archived Papers
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.
Dates: 1768 - 1989
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