72 
Estimation  of  Alcohol. 
(Am.  Jour.  Pharm. 
\    February,  1909. 
joined  table.  An  examination  of  these  results  shows  that  none  of 
the  substances  added  exert  any  marked  vitiating  influence  in  the 
determination  of  alcohol. 
Determination  of  Alcohol  in  Various  Mixtures  (Fuller). 
Alcohol 
Residue 
from 
50  c.c. 
distillate 
Per  cent. 
solids 
distilling 
over 
Description  of  mixture 
Specific 
gravity 
Percent, 
found 
Per  cent, 
gain 
or  loss 
O.97086 
O.97071 
25.IO 
25-25 
O.97085 
O.97098 
25.II 
24.99 
—O.065 
-O.I85 
Alcohol,  water  and  acetanilid  | 
O.97087 
O.97082 
25.09 
25-14 
—O.085 
-O.035 
0.0163 
O.0287 
0.109 
O.I91 
Alcohol,  water  and  antipyrin  j 
O.97077 
O.97085 
25-I9 
25.II 
+0.015 
—O.065 
O.OO06 
O.I20 
Alcohol,  glycerin,  acetanilid,  anti-  f 
pyrin,  caffeine,  sodium  bromide  -j 
and  potassium  bromide.  y 
O.97082 
O.97071 
25.14 
25-25 
—O.035 
+  O.075 
O.OO33 
0.0066 
O.051 
O.IOI 
Same  as  above  with  sugar  added.  .  -| 
O.97082 
O.97080 
25-14 
25.16 
—O.035 
—0.015 
O.OI97 
O.OI94 
0.1492 
0.1515 
Determination  of  Alcohol 
in  Various  Mixtures 
(Warren). 
Alcohol 
Residue 
from 
so  c.c. 
distillate 
Per  cent. 
solids 
distilling 
over 
Desciiption  of  mixture 
Specific 
gravity 
Percent, 
found 
Per  cent, 
gain 
or  loss 
f 
O.97093 
O.97102 
O.97090 
25.04 
24-95 
25.07 
Alcohol,  water  and  glycerin   | 
O.971 21 
O.97I23 
24.77 
24.89 
—O.25 
— O.27 
O.OOO3 
O.OO07 
O.OI2 
O.028 
Alcohol,  water  and  acetanilid  | 
0-97I33 
O.97I08 
24-65 
24.89 
-0-37 
—O.13 
O.OOI2 
O.O081 
O.08 
o.54 
Alcohol,  water  and  antipyrin  | 
O.971 15 
O.971 17 
24-83 
24.81 
— O.19 
— 0.2I 
O.OOII 
O.OOI2 
O.II 
O.I2 
Alcohol,  glycerin,  acetanilid,  anti-  ( 
pyrin,  caffeine,  sodium  bromide  \ 
and  potassium  bromide.  [ 
O.971 17 
O.97126 
24.81 
24.72 
—  O  21 
—O.3O 
O.OOO7 
O.OOII 
O.OO54 
O.O084 
Same  as  above  with  sugar  added  
O.97I07 
24.90 
— O.I2 
O.OOII* 
O.O084 
*Evaporated  to  dryness  on  steam  bath. 
