Am.  Jonr.  Pharm. 
April,  1910. 
Alkaloids  of  Cinchona  Bark. 
177 
solve  one  part  of  the  alkaloids  of  cinchona  bark  and  their  salts  at  a 
temperature  of  25 0  C. : 
Parts  of  water 
required  to  dissolve 
1  pt.  of  the  substance 
Quinine  alkaloid    3000 
Quinine  acetate   50 
Quinine  anisol   2400 
Quinine  arsenate   650 
Quinine  benzoate   360 
Quinine  bihydrobromide    5 
Quinine  bihydrochloride   0.7 
Quinine  bihydrochloride  with  urea   1 
Quinine  bisulphate   8.5 
Quinine  chlorhydrosulphate   1.3 
Quinine  chromate   3150 
Quinine  citrate   825 
Quinine  glycerophosphate,  basic   850 
Quinine  hydrobromide    43 
Quinine  hydrochloride   21 
Quinine  hydroferrocyanide   2000 
Quinine  hydroiodide    205 
Quinine  hydrophosphite    35 
Quinine  lactate,  basic   6 
Quinine  nitrate   70 
Quinine  oxalate    1400 
Quinine  phosphate   800 
Quinine  picrate   3400 
Quinine  quinate    3.5 
Quinine  salicylate   2100 
Quinine  sulphate    700 
Quinine  bi-sulpho-guaiacolate  (guaiaquin)    0.5 
Quinine  sulpho-phenate   250 
Quinine  urate   550 
Quinine  phenol  sulphate                                       .  680 
Quinine  tartrate   950 
Quinine  tannate   2000 
Quinine  valerate    80 
Cinchonidine  alkaloid    4800 
Cinchonidine  bisulphate   1 
Cinchonidine  tetrasulphate   3 
