| RefNo | PP/18/17/2 |
| Previous numbers | PP/50/18 |
| Level | Item |
| Title | Diagram, absorption spectra by [Henry] Edward Schunck |
| Date | 1891 |
| Description | An absorption spectra in black ink with spectra labelled 1-11, showing: (1) the product of the action of melting caustic potash on phyllocyanin dissolved in alcohol; (2) the same dissolved in ether; (3) the same dissolved in concentrated hydrochloric acid; (4) phyllocyanin in ether; (5) phylloxanthin in ether; (6) the product of the action of alkali on phylloxanthin in ether; (7) the same, dilute solution; (8) the same dissolved in acetic acid; (9) alkachlorophyll in ether; (10) the product of the action of sulphuric acid on alkachlorophyll in ether; and (11) the product of the action of acetic acid on alkachlorophyll in ether.
Subject: Chemistry / Biology
This diagram was published in volume 50 of the Proceedings of the Royal Society alongside the paper 'Contributions to the chemistry of chlorophyll'. |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1891.0041 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA3432 | Schunck; Henry Edward (1820 - 1903) | 1820 - 1903 |