124  Acetic  Acid  as  a  Menstruum  and  Solvent.  {KmiA™l\\m™' 
gm.  Liquid  not  clear,  deposits  some  sediment,  and  showed  evi- 
dence of  decomposition  ten  days  after  preparation. 
No.  16. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum 
of  65  c.c.  alcohol,  10  c.c.  glycerin,  and  25  c.c.  water,  left  very  slight 
residue,  filtered  easily  and  remained  clear. 
No.  17. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum 
of  50  c.c.  alcohol,  25  c.c.  glycerin  and  25  c.c.  water,  left  very  slight 
residue,  filtered  easily  but  slowly,  and  remained  clear. 
No.  18. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum  of 
40  c.c.  alcohol,  30  c.c.  glycerin  and  30  c.c.  water,  left  very  little  res- 
idue, filtered  easily,  and  remained  clear. 
No.  19. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum  of 
20  c.c.  alcohol,  20  c.c.  glycerin  and  60  c.c.  water,  left  very  slight 
residue,  filtered  very  slowly,  but  clear. 
No.  20. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum  of 
10  c.c.  alcohol,  10  c.c.  glycerin  and  80  c.c.  water,  left  very  slight 
residue,  filtered  easily,  but  not  quite  clear. 
No.  21. — 2  gm.  acetract  nux  vomica,  treated  with  a  menstruum  of 
100  c.c.  diluted  acetic  acid,  and  I  gm.  ground  nux  vomica  added  to 
the  percolate  to  aid  in  filtration.    The  liquid  was  not  quite  clear. 
No.  22. —  I  gm.  acetract  nux  vomica,  treated  with  a  menstruum  of 
100  c.c.  diluted  acetic  acid,  gave  a  liquid  which  was  not  easily  filtered, 
but  which  remained  clear. 
No.  24. — 2  gm.  extract  nux  vomica,  treated  with  100  c.c.  alcohol, 
left  a  residue  0  352  gm.  The  liquid  was  light-colored,  filtered 
easily  and  remained  perfectly  clear. 
No.  25. — 2  gm.  extract  nux  vomica,  treated  with  a  menstruum  of 
75  c.c.  alcohol  and  25  c.c.  water,  left  a  residue  weighing  01 22  gm. 
The  liquid  was  dark  brownish-red,  remaining  perfectly  clear,  but 
throwing  down  a  very  slight  dark  precipitate  after  filtering. 
No.  26. — 2  gm.  extract  nux  vomica,  treated  with  a  menstruum  of 
70  c.c.  alcohol  and  30  c.c.  water,  left  a  residue  weighing  o-i 88  gm. 
The  liquid  remained  clear  after  filtering,  but  with  a  slight  precipi- 
tate. 
No.  27. — 2  gm.  extract  nux  vomica,  treated  with  a  menstruum  of 
65  c.c.  alcohol  and  35  c.c.  water,  left  a  residue  of  0-212  gm.  The 
liquid  was  clear,  a  slight  precipitate  settling  after  the  liquid  was 
filtered. 
No.  28. — 2  gm.  extract  nux  vomica,  treated  with  a  menstruum  of 
