304 
MESSRS. THOMAS MARTIN LOWRY AND PERCY CORLETT AUSTIN 
Table XVI.—Rotatory Dispersion of Tartar Emetic in Aqueous Solution at 20° C. 
5-32 gr. KSb0H 4 C 4 0 6 .|H 2 0 in 100 gr. of solution, 
or 5-516 gr. ,, in 100 c.c. 
Density = 1-0368. 
Length of tube = 6 dm. 
Simple Formula. 
[MJ 
1 4278 
X 2 -0-04936’ 
A. 
a. 
[M] obs. 
[MJ calc. 
[M]—[MJ. 
[M] A 2 . 
[M] x 
(A 2 - 0-04936). 
Li 6708 
35-70 
358-1 
356-4 
+1-7 
161-1 
143-5 
Cd 6438 
38-87 
389-9 
391-1 
-1-2 
161-6 
142-4 
Zn 6364 
40-00 
401-3 
400-6 
+0-7 
162-5 
142-7 
Na 5893 
47-95 
481-0 
479-3 
+ 1 ' ^ 
167-0 
143-3 
Hg 5790 
49-70 
498-6 
499-4 
-0-8 
167-1 
142-5 
Cu 5782 
49-82 
499-8 
501-1 
-1-3 
167-1 
142-4 
Hg 5769 
50-07 
502-3 
503-7 
-1-4 
167-2 
142-4 
Cu 5700 
51-60 
517-6 
518-2 
• -0-6 
168-2 
142-6 
Hg 5461 
57-19 
573-7 
573-7 
± 
171-1 
142-8 
Cu 5219 
63-78 
639-8 
640-2 
-0-4 
174-3 
142-7 
Cu 5154 
65-70 
659-1 
660-2 
-1-1 
175-1 
142-6 
Cu 5105 
67-25 
674-6 
675-9 
-1-3 
175-8 
142-5 
Cd 5086 
68-00 
682-2 
682-2 
± 
176-5 
142-8 
Zn 4811 
78-15 
784-0 
784-1 
-0-1 
181-5 
142-8 
Cd 4800 
78-67 
789-2 
788-7 
+0-5 
181-8 
142-9 
Zn 4722 
82-00 
822-6 
822-4 
+0-2 
183-4 
142-8 
Cd 4678 
83-98 
842-5 
842-5 
± 
184-4 
142-8 
Hg 4358 
101-26 
1015-8 
1015-8 
± 
192-9 
142-8 
Fe 4228 
110 
1103 
1103 
t 
n: 
197-3 
142-8 
Fe 4160 
115 
1154 
1154 
± 
199-6 
142-7 
Fe 4113* 
120 
1204 
1192 
+ 12 
203-6 
144-2 
Fe 4035 
125 
1254 
1258 
-4 
204-2 
142-3 
Fe 3984 
130 
1304 
1306 
-2 
207-0 
142-6 
* This reading appears to be incorrect, but has been retained in the table. 
