| Reference number | AP/39/7 |
| Level | Item |
| Title | Letter, 'On the optical characters of certain alkaloids associated with quinine, and of the sulphates of their iodo-compounds' from William Bird Herapath to [George Gabriel] Stokes |
| Date | 6 January 1856 |
| Description | Herapath describes specimens he has obtained of the perfectly pure alkaloids quinidin [quinidine] and cinchonidin [cinchonidine], noting that quinidin possesses the phenomenon of fluorescence or 'epipolic dispersion', while cinchonidin does not.
Annotations in pencil throughout. Marked on front as 'Amend to pencil alterations'.
Subject: Chemistry
Received 8 January 1856. Communicated by Stokes.
Written by Herapath in Bristol [England].
This letter was published in full in volume 8 of the Proceedings of the Royal Society as 'On the optical characters of certain alkaloids associated with quinine, and of the sulphates of their iodo-compounds. By William Bird Herapath, M. D., in a letter to Professor Stokes, Sec. R. S. Communicated by Professor Stokes'. |
| Extent | 7p |
| Format | Manuscript |
| Physical description | Ink and graphite pencil on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA6034 | Stokes; William (1804 - 1878) | 1804 - 1878 |
| NA7695 | Herapath; William Bird (1820 - 1868); surgeon | 1820 - 1868 |