Dictionary of the active principles of plants: alkaloids : bitter principles; glucosides; their sources, nature, and chemical characteristics / with tabular summary, classification of reactions, and full botanical and general indexes. By Charles E. Sohn.
- Sohn, Charles E.
- Date:
- 1894
Licence: Public Domain Mark
Credit: Dictionary of the active principles of plants: alkaloids : bitter principles; glucosides; their sources, nature, and chemical characteristics / with tabular summary, classification of reactions, and full botanical and general indexes. By Charles E. Sohn. Source: Wellcome Collection.
Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.
169/210 page 157
![Potassium Ferrocyanide (12) Hyoscine, white amorphous. [Morphine, not 1 in 100.] Narceine. [Narcotine, coned.] Quinidine, y.-white crys. Quinine, soluble warm or in ex- cess. Strychnine, nearly white crys., 1 in 1,000. Thebaine, sol. in excess. •] II. No pp. with Aconitine. Atropine. Colchicine, except coned. Hyoscyamine. Morphine (not 1 in 100). [Narcotine, see I.] Nicotine. Pilocarpine. Saponin, G., cloud. Sparteine. Ulexine. CLASSIFICATION 13. POTASSIUM FERRICYANIDE. I. Gives precipitants with the following alkaloids : Apomorphine, white, then violet to black. Bebeerine, yellow. [Codeine, crys. ; not 1 in 70, Plugge.] [Gelsemine, reduction only.] Harmaline, oily pp., changing to gn.-bl. crys. Hymenodictyonine. [Morphine, reduces; no pp. 1 in60, but on standing.] Papaverine, slight pp. Piliganine, greenish. Strychnine, gn.-y. crys. II. No pp. with: Aconitine. Atropine. [Codeine, see I.] Hyoscine. [Morphine, see I.] Narcotine. Nicotine. Picrotoxin, B. [Sabadilline, not 1 in 150.] [Sabatrine, not 1 in 150.] Saponin, G., cloud. 14. POTASSIUM SULPHOCYANIDE (KSCN) Pp. Akazgine. Apomorphine, white, sol. warm. Aspidosamine. Aspidospermine. Atherospermine. Bebeerine, white crys. Brucine, gradually 1 in 100. Carpaine. Cinchonine, white flocculent, then crys. ; not 1 in 500. ; sol. alcohol. Codeine, grad. crys., sol. warm. Colloturine. REACTIONS, ETC. Conchairamine. Corydaline, white. Cupreine, grad. crys. pp. Curarine. Emetine, y., 1 in 2,500. Erythrine. Harmaline, y. crys. Harmine, white crys. Laurotetanine. Loturine. Morphine, white crys. ; not 1 in 100. Narcotine, 1 in 200. Papaverine, sol. hot. Quebrachine. Quinicine, oily. Quinine, white needles. 15. POTASSIUM I. Gives precipitates with the following: Brucine, y. crys. ; up to 1 in 500. Chelerythrine. Chelidonine. Codeine (Cod. chromate). Corydaline. Emetine (avoid excess). Harmine, pp. with decompn. Morphine.* 157 Potassium Bichromate (16). Strychnine, white crys. (sensitive). [Veratrine, if coned.] No pp. Atropine. Helixin, G., transient rose-colour. Hyoscine. Hyoscyamine. Karakin, B. Loturidine. [Morphine, not 1 in 100.] Nicotine. Picrotoxin, B. [Sabadilline, not 1 in 150.] [Sabatrine, not 1 in 150.] Saponin, cloud. [Veratrine, pp. coned, only.] CHROMATE. [Narceine, not cold, but when hot as Papaverine.] Narcotine (pp. =free base). Papaverine.* Thebaine (T. chromate.) II. No pp. with : Anthocercine. Atropine. Cytisine. [Narceine, not cold ; see I.] Nicotine. 16. POTASSIUM BICHROMATE. I. Gives precipitate or colora- Apomorphine, orange pp. tion with : Atropine, pp. gradually 1 in 3,000. Akazgine, pp. Bebeerine, light y. pp. Alstonine, blood-red coin. Bellamarine, pp. crys. * Precipitate contains free base as well as alkaloMal chromate.](https://iiif.wellcomecollection.org/image/b21503023_0169.jp2/full/800%2C/0/default.jpg)
