and volume of organic ions in aqueous solutions. 9 
Compound used for 
ionic volume 
Molecular weight of 
compound, M 
Density, 
gms. per c.c.) 
temp. deg. C. 
Molecular volume, 
M/p 
Ionic volume 
Cube root of 
ionic volume 
Ionic velocity, cm. /sec., 
per volt/cm. at 25° C. 
x 10 4 
Ionic velocity x cube 
root of ionic volume 
x 10 4 
-.4 Dimethylpyridine 
107-1 
•930/25 cor. 
115-2 
120-5 
4-94 
(4-03) 
(19-9) 
:6 Dimethylpyridine 
r a-Lutidine 
107-1 
•922/25 cor. 
116-1 
121-4 
4-95 
(4-03) 
(19-9) 
1 : 5 Dimethylpyridine 
107-1 
■941/25 cor. 
113-9 
119-2 
4-92 
(4-03) 
(19-8) 
pyridine 
79-0 
•985/15 
80-2 
127-9 
5-03 
4-26 
21-5 
i-Picoline 
931 
•933/22 
99-8 
126-3 
5-02 
4-28 
21-5 
i-Picoline 
93-1 
•933/22 
99-8 
147-5 
5-28 
3-86 
20-4 
2 : 6 Dimethylpyridine 
107-1 
•922/25 cor. 
116-1 
142-6 
5-22 
3-87 
20-2 
a-Collidine 
121-1 
•922/15 
131-3 
136-6 
5-15 
(3-83) 
(19-7) 
Quinoline 
129-1 
1-091/25 cr. 
118-3 
123-6 
4-98 
(3-87) 
(19-3) 
Quinoline 
129-1 
1-091/25 cr. 
118-3 
123-6 
4-98 
(3-86) 
(19-2) 
Lepidine 
143-1 
1-083/25 cr 
132-1 
137-4 
5-16 
(3-48) 
(18-0) 
Quinoline 
1291 
1-091/25 cr 
118-3 
144-8 
5-25 
4-02 
21-1 
Quinoline 
129-1 
1-091/25 cr 
118-3 
144-8 
5-25 
4-03 
21-1 
