Am.. Tour.  Pharm.  "I 
Sept.,  1883.  J 
Comparison  of  Galenical  Preparations. 
441 
5  parts,  hot  distilled  water  30  parts ;  keep  for  5  minutes  in  a  hot  water- 
bath,  let  cool,  strain,  add  Rochelle  salt  5  parts  and  manna  10  parts, 
and  strain ;  the  product  weighs  40  parts.    P.  G. 
Linimentum  Ammonice,  U.  S.,  Linimentum  ammoniatum,  P.  G. — 
Ammonia  water  30  parts,  cotton  seed  oil  70  parts.  U.  S. — Olive  oil 
-3  parts,  poppy  seed  oil  1  part,  ammonia  water  1  part.    P.  G. 
lAnimentum  Saponis,  U.  8.  Linimentum  saponato-camphoratum 
liquidum.  P.  G. — Dissolve  soap  7  parts  in  water  14  parts,  and  add 
to  solution  of  camphor  5  parts  and  oil  of  rosemary  1  part  in  alcohol 
70  parts;  add  water  to  make  100  parts.  U.  8. — Spirit  of  camphor 
(■jIq)  120  parts,  soap  spirit  350  parts,  ammonia  water  24  parts,  oil  of 
thyme  2  parts ;  oil  of  rosemary  4  parts ;  mix.  P.  G.  (For  linimentum 
saponato-camphoratum  P.  G.,  see  page  81).  The  soap  spirit  is  pre- 
pared as  follows : 
Spiritus  saponatus,  P.  G. — Boil  in  a  water-bath  olive  oil  60  parts, 
potassa  solution  sp.  gr.  1*114,  70  parts  and  alcohol  75  parts,  until 
saponification  has  been  effected,  add  alcohol  to  restore  original  weight, 
also  alcohol  225  parts  and  water  170  parts. 
Linimentum  Terehinthince,  U.  8.  Linimentum  terebinthinatum,  P. 
G, — Resin  cerate  65  parts,  oil  of  turpentine  35  parts;  mix.  U.  8. — 
Mix  intimately  crude  potassium  carbonate  6  parts  with  commercial 
soft  soap  54  parts  and  add  oil  of  turpentine  40  parts.    P.  G. 
Liquor  Ammonii  Acetatis,  U.  8.  Liquor  ammonii  acetici,  P.  G. — 
Neutralize  diluted  acetic  acid  sp.  gr.  1*0083,  with  ammonium  carbon- 
ate. U.  8. — Mix  ammonia  water  10  parts  with  acetic  acid  sp.  gr. 
1*041,  12  parts,  boil  for  a  short  time,  cool,  neutralize  exactly  with 
ammonia  and  add  distilled  water,  to  make  the  spec.  grav.  1  "032-1*034. 
P.  G.  The  object  of  the  boiling  is  evidently  the  expulsion  of  foreign 
odorous  compounds,  probably  also  of  carbonic  acid. 
Liquor  Calcis,  U.  8.  Aqua  Calcarise,  P.  G. — Slake  lime  1  part 
with  water  6  parts  (4  p.  P.  G.),  and  mix  with  Avater  30  parts  (50  p. 
P.  G.);  allow  to  settle  and  decant;  add  to  residue  300  parts  (50  parts 
P.  G.)  of  distilled  water.  U.  8.  Both  formulas  yield  saturated  solu- 
tions of  lime  in  water. 
Liquor  Ferri  Acetatis,  U.  8.  Liquor  Ferri  acetici,  P.  G. — Dilute 
solution  of  ferric  sulphate  sp.  gr.  1*320, 100  parts  with  water  350  parts 
and  add  to  ammonia  water  80  parts  diluted  with  water  200  parts ;  wash 
the  precipitate,  drain  and  press  until  70  parts  remain ;  dissolve  this  in 
glacial  acetic  acid  sp.  gr,  1*057,  26  parts  and  add  distilled  water  to 
