ON OPTICAL ROTATORY DISPERSION. 
295 
Table VI.—-Rotatory Dispersion of Sodium Tartrate in Aqueous Solution at 20° C. 
(continued). 
(/>) Second Series. —34-32 gr. Na_,H t C. 4 0,..2H.,0 in 100 gr. aqueous solution, 
or 41-97 gr. „ in 100 c.c. 
Density — 1 • 2228. 
Length of tube — 6 dm. 
Simple Formula. 
Complex Formula. 
[Mi] = 
19'537 
X 2 -0-00032* 
37-108 18-348 
X 2 —0"038 X 2 —0"06 
A. 
cc. 
[M] obs. 
[M] A 2 . 
[MJ. 
[MJ—[Mi], 
[M,.]- 
[M]-[M 2 ]. 
Cd 6438 
51-50 
47-04 
19-50 
47-17 
-0-13 
46-80 
+0-24 
Na 5893 
61-42 
56-10 
19-48 
56-31 
-0-21 
56-12 
-0-02 
Hg 5780 
63-88. 
58-35 
19-49 
58-55 
-0-20 
58-40 
-0-05 
Hg 5461 
71-80 
65-58 
19-56 
65-58 
± 
65-58 
i 
Cd 5086 
83-08 
75-88 
19-63 
75-62 
+0-26 
75-80 
+0-08 
Cd 4800 
93-10 
85-04 
19-59 
84-91 
+0-13 
85-20 
-0-16 
Cd 4678 
98-52 
89-99 
19-69 
89-41 
+0-58 
89-69 
+0-30 
Fe 4425 
110 
100 >5 
19-67 
99-9 
+0-6 
100-0 
-h 0-5 
Hg 4358 
112-81 
103-04 
19-57 
103-04 
± 
103-04 
± 
Fe 4218 
120 
109-6 
19-50 
110-0 
-0-4 
109-6 
± 
Fe 4031 
130 
118-7 
19-29 
120-5 
-1-8 
119-1 
-0-4 
Fe 3874 
140 
127-9 
19-19 
130-5 
-2-6 
127-4 
+ 0-5 
