— 538 
1. — 15,803°l o alcool isobutjilique -\- 84,197°j 0 CS 2 . 
t°. 
d t°IA°. 
dy. 
dv : d . 
G^. 
11°3 
1,16304 
1,16933 
1,00541 
-0,541 
18o75 
1,15392 
1,16051 
1,00571 
-0,571 
31o7 
1,13648 
1,14341 
1 00610 
-0,610 
II. 
— 30,008 °/0 alcool isobuty ligue -f- 69,992 °/ 0 CS 2 . 
13°9 
1,07702 
1,08516 
1,00756 
-0,756 
21°1 
1,06903 
1,07718 
1,00763 
- 0 763 
34«2 
1,05245 
1,06113 
1 00825 
-0,825 
III. 
— 50,220 °/0 alcool isobutijligue - j- 49,780 °/ 0 CS 2 . 
1505 
0,97919 
0,98637 
1,00733 
-0,733 
30°7 
0,96248 
0,97032 
1.00814 
-0.814 
IV. 
— 70,388 °/ 0 alcool isobutyligue -(- 29,612°/ 0 CS 2 
13-8 
0,90118 
0,90668 
1,00610 
-0,610 
32o4 
0,88336 
0,88919 
1,00660 
-0,660 
Réfraction de 
l’alcool 
isobutylique 
pur : 
t°. 
r. 
D. 
b. 
V. 
8°0 
1,39814 
1,39996 
1,40496 
1,40885 
23°7 
1,39192 
1,39372 
1,39868 
1,40248 
34o9 
1,38733 
1,38912 
1,39403 
1,39779 
49°1 
1,38137 
1,38311 
1,38798 
1,39169 
66^3 
1,37398 
1,37568 
1,38045 
1,38463 
86°0 
1,36529 
1,36686 
1,37138 
1,37506 
