Piiospiio-TUNfisTif Acid (18).] 

 Atropine. 



Beta-homo-chelidonine. 

 Calabarine. 

 Cannabine. 

 Cocaine, gelatiuoup. 

 Corydaline. 

 Cytisine, 1 in 30,()U0. 

 Helleboiein, G., and by Meta- 



tungstio acid. . 

 Hyoscine. 

 Hyoscyamine. 

 Laurotetanine. 

 [Lobeliine, pp. by Meta-tungstic 



acid.l 



C'r..\ssiFic.\TiON or eeactions, etc. 



Mandragorine. 



[Morphine, cloud 1 in 10,000.] 



Narcotlne, limit 1 in 8,000. 



Pilocarpine, white. 



[Spigeline, pp. by Meta-tungstic 



acid.] 

 Strychnine, 1 in L'(IO,000. 



[Charaaslirin 



acid.] 

 Strophanthin, G. 



No pp. 



G., Meta-tungstic 



19. PHOSPHO-ANTIMONIC ACID (Schultz's Reagent) 



Pp. 



Artarine, slight pp., sol. in excess. 



Atropine, up to 1 in .0,000; sol. waroi. 



Brucine. 



Cinchonine, bluish-white pp. 1 in 



1,0110, cloud at 1 in Ti.OOO. 

 Narcotine, y. flocculent I iu l,ltUO, 



cloud 1 in 2,500. 

 Qainine. 

 Strychnine, white flocculent 1 in 



5,000, cloud 1 in 25,000. 

 Veratrine. 



No pp. 



[Codeine, dirty white, cloud 1 in 



1,000.] 

 [Digitalin, G., cloud 1 in 1,000.] 

 [Morphine, not 1 in 1,000.] 

 [Nicotine, cloud 1 in 250.] 

 [Piperine, yellow coloration in 



dilute solutions.] 

 Theiue. 

 [Theobromine, cloud 1 in 1,000.] 



20. lODO-POTASSIC IODIDE (Wagner's Solution) precipitates almost 

 every alkaloid without y.\ception. The following list includes all the 

 more important bases, besides many of the rarer ones. The strength of 

 the reagent may vary without greatly affecting the result. Precipitates 

 are generally brown or reddish-brown, and amorphous. 



k = kermes-coloured. 



Aconitine. 

 Akazgine. 

 Anthocercine. 



Apomorphine, blood- 

 red, sol. warm. 



Arioine, pp , cloud 

 50,000. 



Aspidospermine, y. 

 Atherospermine, bn.- 

 yellow. 



1 in 

 cloud 



Atropine, r.-bn. 

 Bebeerine, k 

 Berberine, k. 

 Brucine, k. 

 Calamine. 

 Calcitra])ine. 

 Cannabinine. 

 Ceanothine. 

 Cinchonine, k. 



500,000. 

 Cocaine, bn. ; 



200,000. 

 Codeine, k., crys. 

 Colchicine, 1 iu 2,500. 

 Conhydrine. 

 Coniine, k., 1 in 8,000. 

 Corydaline, bn. 

 Cryptopine. 

 Cytisine, dark bn. 

 Damascenine, bn. - 



purple. 

 Delphiniue, k., :i,000. 

 Ecgonine, r.-bu. 

 Emetine, 1 iu 25,000. 

 Erythrophioeine, y.-r. 



[BiSMUTII-POT. 



Ergotine. 

 Grandiflorine, y. 

 Hydrastine, bn. 

 Hymenodictyonine, 



bn. 

 Hyoscine, oily. 

 Hyoscyamine, orange. 

 Igasurine, bn. 

 Imperialine, dark y. 

 Lobeliine, bn. 

 Lycoctonine. 

 Mandragorine. 

 Morphine, k., 5,000. 

 Narceine, crys. 

 Narcotine, k., 8,000. 

 Nicotine, r.-bn. 

 Papavei'ine,l in .50,000. 

 Pelletierine. 

 Physostigmine, k.. 



25,0110. 

 Piliganine, light bn. 

 Protopine. 

 Pseudojervine. 

 Pseudopelletierine, 



pale bn. needles. 



150 



ASSIC loniDE (21). 



Quinidine, K. 



Quinine, r.-bn. 



Sabadilline, k. 



Sabatrine, k. 



Scopoline, bn. 



Spigeline, bn.-r. 



Strychnine, k. crys , 

 limit 50,000. 



Ta.xine, y. 



Thebaine, 1 in 5,000 ; 

 extreme limit 50,000. 



[Theine, if conctn- 

 trated.] 



[Theobromine, if con- 

 centrated.] 



Tritopine. 



Veratrine, k. 



Glucosides and bitter 

 principles are not pre- 

 cipitated as a rule. An 

 exception to former 

 class is ; 

 Euonymin, r.-bn. pp. 



21. BISMUTH-POTASSIC IODIDE (DragendorfE's Reagent). 



Pp. 



Acouitine, orange, 1 in 40,000. 

 Amarylliue, y. 

 Anagyrine. 

 Anthocercine. 

 Apomorphine, limit 10,000. 

 Arecaine, red, becoming crys. 

 Arecoline, ,, ,, 



Artarine, r. flocculent. 

 Atropine, orange, 1 in 10,000 floccu- 

 lent. 



Bebeerine, orange-red. 

 Bellamariiie, white. 

 Berberine, orange-r. ; limit 5,000. 

 Brucine, orange-r. ; 1 in 10,000. 

 Calcitrapine, orange. 

 Ceanothine. 



Chelidonine, orange-red. 

 Chrysanthemine, orange, grad. crys. 

 Cinchonine, orange - r. ; cloud 



200,000. 

 Codeine, orange ; slight at 50,000. 

 Colchicine. 



