CHEMICAL  EXAMINATION  OF   CONDENSED  MILK.  457 
CHEMICAL  EXAMINATION  OF  SEVERAL  SORTS  OF  CON- 
DENSED MILK. 
By  L.  Kofler. 
The  following  samples,  examined  by  the  author,  were  exhibited 
at  the  Agricultural  Show  at  Schwarzach  : — 
I.  From  the  Anglo-Swiss  Condensed  Milk  Company,  in  Cham, 
Canton  Zug ;  in  air-tight  tin  boxes  containing  one  pound. 
II.  From  the  manufactory  at  Sassin  ;  in  square  glasses. 
III.  From  the  German- Swiss  Milk  Extract  Company,  at  Vivis 
and  Kempten  ;  in  glass  vessels. 
IV.  The  same ;  in  tin  boxes. 
For  the  purpose  of  comparison,  a  similar  preparation  was 
made  with  milk  that  had  been  examined  during  twelve  days 
previously,  with  the  following  results  : — 
Specific 
Amount  of 
gravity. 
Cream. 
15  October  . 
.  1-03J: 
13 
16 
6i 
.  1-036 
m 
17 
a 
.  1-040 
14 
18 
a 
.  1-034 
13 
19 
a 
.  1-034 
iH 
20 
u 
.  1-034 
13 
21 
a 
.  1-035 
12 
22 
ii 
.  1-033 
12 
23 
66 
.  1-034 
13J 
24 
a 
.  1-036 
12 
25 
66 
.  1-035 
15 
26 
66 
.  1-033 
15 
Mean  results 
.  1-035 
13-1 
This  preparation  was  marked  Y.,  and  underwent  the  same  ex- 
amination as  the  other  samples. 
Determination  of  Water. — By  drying  until  the  weight  re- 
mained constant. 
Determination  of  Fat  was  made  by  extraction  with  ether,  until 
the  residue  examined  under  the  microscope  presented  no  fat 
globules. 
