Am.  Jour.  Pharm. 
July,  1917. 
Topical  Applications. 
299 
The  objection  to  all  former  preparations  of  copper  citrate  was 
the  inability  to  procure  a  base  that  would  dissolve  the  copper  citrate. 
After  many  experiments  it  was  found  that  copper  citrate  was 
soluble  in  glycerite  of  boroglycerin  and  in  this  way  it  is  possible  to 
make  a  perfect  and  permanent  ointment. 
Ointment  of  Iodoform. 
Gm. 
Iodoform,  in  very  fine  powder    10 
White  petrolatum    90 
Heat  a  white  porcelain  mortar  to  6o°  C.  and  rub  the  iodoform 
with  a  small  quantity  of  the  white  petrolatum,  then  incorporate  the 
remainder  of  the  white  petrolatum  and  triturate  until  it  congeals. 
Iodoform  is  very  valuable  in  ointment  form,  used  as  a  dressing 
for  wounds  of  the  ocular  region. 
For  this  purpose  it  should  be  divided  as  finely  as  possible ;  there 
should  not  be  visible  even  with  a  powerful  lens  the  minutest  crys- 
tals, for  if  present  they  act  as  irritants. 
In  all  ointments  of  iodoform  and  combinations  thereof  white 
petrolatum  has  been  found  to  be  the  best  base. 
Ointment  of  Cassaripe. 
Gm. 
Cassaripe    10 
White  petrolatum    90 
The  cassaripe  is  heated  to  6o°  C.  and  the  white  petrolatum  is 
slowly  added  and  the  mixture  stirred  until  it  congeals. 
Cassaripe  ointment  is  now  commonly  used  in  the  treatment  of 
corneal  ulcer. 
Ointment  of  Corrosive  Mercuric  Chloride. 
Gm. 
T)L    Corrosive  mercuric  chloride    1 
Sodium  chloride    1 
Distilled  water   5 
Wool  fat    20 
White  petrolatum  to  make   5,000 
Dissolve  the  corrosive  mercuric  chloride  and  the  sodium  chloride 
in  the  distilled  water  and  add  the  wool  fat  and  white  petrolatum 
and  mix  thoroughly. 
