254  Pharmaceutical  Colleges  and  Associations  May*'i?93?rm' 
the  process  for  preparing  tannic  acid.  Give  an  outline  of  the  process  for 
preparing  gallic  acid.  How  can  gallic  acid  be  distinguished  from  tannic 
acid  chemically?  How  can  gallic  acid  be  distinguished  from  tannic  acid 
microscopically  ?  Name  two  substances  that  are  incompatible  with  tannic 
acid.    Name  two  substances  that  are  incompatible  with  gallic  acid. 
D — Calabar  Bean.  Give  the  official  name.  Give  the  botanical  name  of 
the  plant  yielding  it.  Where  is  this  plant  indigenous  ?  What  two  names  have 
been  given  to  the  active  principle  of  calabar  bean  ?  What  salt  of  the  active 
principle  is  official  ?  What  is  the  dose  of  this  salt  ?  What  preparations  of 
Calabar  bean  are  official  ?  What  menstruum  is  used  to  exhaust  the  bean  ? 
Give  the  dose  of  each  preparation.  What  are  the  medical  properties  of  Cala- 
bar bean  ? 
E — Give  the  process  for  the  preparation  of  Solution  of  Citrate  of  Potas- 
sium. Give  its  official  title.  Why  should  it  be  freshly  made?  Give  the  pro- 
cess for  the  preparation  of  Neutral  Mixture.  Give  its  official  name.  To  what 
chemical  salt  do  these  preparations  owe  their  activity  ? 
F—  Write  the  reaction  of  Ammonium  Sulphide  on  Alum.  Write  the  reaction 
of  ammonium  sulphide  on  Ferric  Chloride.  What  is  the  chemical  formula  for 
Ferric  Hydrate  ?  For  what  purpose  is  ferric  hydrate  used  in  medicine  ?  Give 
the  physical  and  chemical  differences  between  ferrous  hydrate  and  ferric 
hydrate. 
G— How  many  pounds  of  absolute  alcohol  are  contained  in  202  pounds  of 
alcohol  of  sp.  gr.  '928  at  6o°  F.?   Show  all  figures  used  in  obtaining  your  answer. 
Translate  the  following  Latin  terms  used  in  prescription  writing  :  Cola, 
Cochleare  parvum,  Dentur  tales  doses  No.  vi,  Fiat  Collyrium,  Mica  Panis,  Q. 
S.,  Cyathus  vinarius,  Fiat  Pulvis  et  divide  in  chartulas  xv,  Deaurentur  Pilulas, 
aa,  R. 
H — What  are  the  Latin  names  and  ingredients  of  the  following  prepara- 
tions :  Brown  Mixture.  Turlington's  Balsam.  Griffiths'  Mixture.  Black 
Draught.  Black  Wash.  Yellow  Wash.  Fowler's  Solution.  Compound  Effer- 
vescing Powder.    James'  Powder.    Dewees'  Carminative. 
I — Copy  the  following  formula,  indicating  the  proper  quantity  of  each 
ingredient  to  make  two  fluidounces  of  a  ten  per  cent,  emulsion  of  Oil  of 
Turpentine,  and  one  per  cent,  of  Oil  of  Wintergreen.  Explain  the  manner  in 
which  it  should  be  made. 
R    Oleum  Terebinthinae. 
Oleum  Gaultherise. 
Pulvis  Acacise. 
Aqua  Menthas  Piperita^. 
How  would  you  dispense  the  following  prescription?  Give  full  details 
of  3'our  method  of  proceeding  : 
R    Quin.  Sulph.,  gr.  xxx. 
Ferri  Pulv.,  gr.  xx. 
Acidi  Arseniosi,  gr.  ij. 
Atropise,  gr.  ?V 
Nitro  glycerini,  tt\,TV 
