294 
MESSES. THOMAS MARTIN LOWRY AND PERCY CORLETT AUSTIN 
Table VI.—Rotatory Dispersion of Sodium Tartrate in Aqueous Solution at 20° C. 
(a) First Series. —22’54 gr. Na,H 1 C 1 0„.2H,0 in 100 gr. aqueous solution, 
or 25-72 gr. ,, in 100 c.c. 
Density = 1*1411. 
Length of tube = 6 dm. 
Simple Formula. 
Complex Formula. 
[Mi] = 
20T52 
A 2 —0'0029 
[M 2 ] = 
37'445 
A 2 —0‘038 
18-025 
A 2 —0"06' 
A. 
cc. 
[M] obs. 
[M] A 2 . 
[MJ. 
[M]—[MJ. 
[MJ. 
[M]-[MJ. 
Li 6708 
30-23 
45-05 
20-27 
45-07 
-0-02 
44-67 
+0-38 
Cd 6438 
32-88 
49-00 
20-31 
48-96 
+0-04 
48-61 
+0-39 
Na 5893 
39-22 
58-45 
20-30 
58-52 
-0-07 
58-33 
+0-12 
Hg 5790 
40-58 
60-48 
20-27 5 
60-64 
-0-16 
60-50 
-0-02 
Cu 5782 
40-91 
60-97 
20-38 
60-80 
+0-17 
60-66 
+0-31 
Hg 5769 
40-67 
60-62 
20-17 
61-08 
-0-46 
61-24 
-0-62 
Cu 5700 
41-95 
62-52 
20-31 
62-58 
-0-06 
62-47 
+0-05 
Hg 5461 
45-78 
68-23 
20-35 
68-23 
+ 
68*23 
+ 
Cu 5219 
50-41 
75-13 
20-46 
74-78 
+0-35 
74-89 
+0-24 
Ag 5209 
50-57 
75-37 
20-45 
75-07 
+0-30 
75-18 
+0-19 
Cu 5154 
51-77 
77-16 
20-50 
76-70 
+0-46 
76-84 
+0-32 
Cu 5105 
53-15 
79-21 5 
20-64 5 
78-19 
+1 *02 5 
78-36 
+0-85 5 
Cd 5086 
53-44 
79-65 
20-60 
78-79 
+0-86 
78-96 
+0-69 
Cd 4800 
59-96 
89-36 5 
20-59 
88-58 
+0-78 5 
88-84 
+0-52 s 
Cd 4678 
63-41 
94-51 
20-68 
93-32 
+1-19 
93-58 
+0-93 
Hg 4358 
72-29 
107-74 
20-46 
107-74 
~L 
— J_ 
107*74 
± 
Fe 4271 
75 
111-8 
20-39 
112-3 
-0-5 
112-0 
-0-2 
Fe 4210 
77 
114-8 
20-34 
115-6 
-0-8 
115-2 
-0-4 
Fe 4154 
79 
117-7 
20-32 
118-8 
-1-1 
118-1 
-0-4 
Fe 4072 
82 
122-2 
20-26 
123-7 
-1-5 
122-6 
-0-4 
Fe 4033 
84 
125-2 
20-36 
126-1 
-0-9 
124-8 
+0-4 
Fe 4005 
85 
126-7 
20-32 
127-9 
-1-2 
126-4 
1 
+ 0-3 
